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Finding the Fourth Proportional to 590,465.70, 885,698.55 and 164,000.70

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Solution

The fourth proportional to 590,465.70, 885,698.55 and 164,000.70 is: 246,001.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,465.70 : 885,698.55 = 164,000.70 : x
  2. Step 2: Convert to fraction form
    590,465.70/885,698.55 = 164,000.70/x
  3. Step 3: Cross multiply
    590,465.70x = 885,698.55 × 164,000.70
  4. Step 4: Simplify right side
    590,465.70x = 145,255,182,188.99
  5. Step 5: Solve for x
    x = 145,255,182,188.99/590,465.70
  6. Step 6: Final answer
    x = 246,001.05

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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.