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Finding the Fourth Proportional to 584,459.20, 876,688.80 and 374,507.20

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Solution

The fourth proportional to 584,459.20, 876,688.80 and 374,507.20 is: 561,760.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,459.20 : 876,688.80 = 374,507.20 : x
  2. Step 2: Convert to fraction form
    584,459.20/876,688.80 = 374,507.20/x
  3. Step 3: Cross multiply
    584,459.20x = 876,688.80 × 374,507.20
  4. Step 4: Simplify right side
    584,459.20x = 328,326,267,759.36
  5. Step 5: Solve for x
    x = 328,326,267,759.36/584,459.20
  6. Step 6: Final answer
    x = 561,760.80

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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.