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Finding the Fourth Proportional to 518,798.85, 773,040.85 and 462,204.04

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Solution

The fourth proportional to 518,798.85, 773,040.85 and 462,204.04 is: 688,711.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,798.85 : 773,040.85 = 462,204.04 : x
  2. Step 2: Convert to fraction form
    518,798.85/773,040.85 = 462,204.04/x
  3. Step 3: Cross multiply
    518,798.85x = 773,040.85 × 462,204.04
  4. Step 4: Simplify right side
    518,798.85x = 357,302,603,955.03
  5. Step 5: Solve for x
    x = 357,302,603,955.03/518,798.85
  6. Step 6: Final answer
    x = 688,711.25

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.