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Finding the Fourth Proportional to 575,877.33, 794,705.29 and 317,756.61

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Solution

The fourth proportional to 575,877.33, 794,705.29 and 317,756.61 is: 438,501.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,877.33 : 794,705.29 = 317,756.61 : x
  2. Step 2: Convert to fraction form
    575,877.33/794,705.29 = 317,756.61/x
  3. Step 3: Cross multiply
    575,877.33x = 794,705.29 × 317,756.61
  4. Step 4: Simplify right side
    575,877.33x = 252,522,860,687.24
  5. Step 5: Solve for x
    x = 252,522,860,687.24/575,877.33
  6. Step 6: Final answer
    x = 438,501.13

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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.