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Finding the Fourth Proportional to 529,752.96, 793,404.72 and 318,926.16

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Solution

The fourth proportional to 529,752.96, 793,404.72 and 318,926.16 is: 477,651.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,752.96 : 793,404.72 = 318,926.16 : x
  2. Step 2: Convert to fraction form
    529,752.96/793,404.72 = 318,926.16/x
  3. Step 3: Cross multiply
    529,752.96x = 793,404.72 × 318,926.16
  4. Step 4: Simplify right side
    529,752.96x = 253,037,520,675.48
  5. Step 5: Solve for x
    x = 253,037,520,675.48/529,752.96
  6. Step 6: Final answer
    x = 477,651.92

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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.