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Finding the Fourth Proportional to 590,423.60, 885,635.40 and 557,764.40

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Solution

The fourth proportional to 590,423.60, 885,635.40 and 557,764.40 is: 836,646.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,423.60 : 885,635.40 = 557,764.40 : x
  2. Step 2: Convert to fraction form
    590,423.60/885,635.40 = 557,764.40/x
  3. Step 3: Cross multiply
    590,423.60x = 885,635.40 × 557,764.40
  4. Step 4: Simplify right side
    590,423.60x = 493,975,897,499.76
  5. Step 5: Solve for x
    x = 493,975,897,499.76/590,423.60
  6. Step 6: Final answer
    x = 836,646.60

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.