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Finding the Fourth Proportional to 478,877.16, 660,854.96 and 264,024.90

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Solution

The fourth proportional to 478,877.16, 660,854.96 and 264,024.90 is: 364,356.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,877.16 : 660,854.96 = 264,024.90 : x
  2. Step 2: Convert to fraction form
    478,877.16/660,854.96 = 264,024.90/x
  3. Step 3: Cross multiply
    478,877.16x = 660,854.96 × 264,024.90
  4. Step 4: Simplify right side
    478,877.16x = 174,482,164,728.50
  5. Step 5: Solve for x
    x = 174,482,164,728.50/478,877.16
  6. Step 6: Final answer
    x = 364,356.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.