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Finding the Fourth Proportional to 616,603.80, 924,905.70 and 173,314.20

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Solution

The fourth proportional to 616,603.80, 924,905.70 and 173,314.20 is: 259,971.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,603.80 : 924,905.70 = 173,314.20 : x
  2. Step 2: Convert to fraction form
    616,603.80/924,905.70 = 173,314.20/x
  3. Step 3: Cross multiply
    616,603.80x = 924,905.70 × 173,314.20
  4. Step 4: Simplify right side
    616,603.80x = 160,299,291,470.94
  5. Step 5: Solve for x
    x = 160,299,291,470.94/616,603.80
  6. Step 6: Final answer
    x = 259,971.30

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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.