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Finding the Fourth Proportional to 616,247.20, 924,370.80 and 376,746.40

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Solution

The fourth proportional to 616,247.20, 924,370.80 and 376,746.40 is: 565,119.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,247.20 : 924,370.80 = 376,746.40 : x
  2. Step 2: Convert to fraction form
    616,247.20/924,370.80 = 376,746.40/x
  3. Step 3: Cross multiply
    616,247.20x = 924,370.80 × 376,746.40
  4. Step 4: Simplify right side
    616,247.20x = 348,253,371,165.12
  5. Step 5: Solve for x
    x = 348,253,371,165.12/616,247.20
  6. Step 6: Final answer
    x = 565,119.60

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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.