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Finding the Fourth Proportional to 583,615.60, 875,423.40 and 162,890.80

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Solution

The fourth proportional to 583,615.60, 875,423.40 and 162,890.80 is: 244,336.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,615.60 : 875,423.40 = 162,890.80 : x
  2. Step 2: Convert to fraction form
    583,615.60/875,423.40 = 162,890.80/x
  3. Step 3: Cross multiply
    583,615.60x = 875,423.40 × 162,890.80
  4. Step 4: Simplify right side
    583,615.60x = 142,598,417,964.72
  5. Step 5: Solve for x
    x = 142,598,417,964.72/583,615.60
  6. Step 6: Final answer
    x = 244,336.20

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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.