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Finding the Fourth Proportional to 584,903.28, 877,354.82 and 318,887.50

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Solution

The fourth proportional to 584,903.28, 877,354.82 and 318,887.50 is: 478,331.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,903.28 : 877,354.82 = 318,887.50 : x
  2. Step 2: Convert to fraction form
    584,903.28/877,354.82 = 318,887.50/x
  3. Step 3: Cross multiply
    584,903.28x = 877,354.82 × 318,887.50
  4. Step 4: Simplify right side
    584,903.28x = 279,777,485,162.75
  5. Step 5: Solve for x
    x = 279,777,485,162.75/584,903.28
  6. Step 6: Final answer
    x = 478,331.20

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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.