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Finding the Fourth Proportional to 616,002.40, 924,133.20 and 260,833.60

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Solution

The fourth proportional to 616,002.40, 924,133.20 and 260,833.60 is: 391,305.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,002.40 : 924,133.20 = 260,833.60 : x
  2. Step 2: Convert to fraction form
    616,002.40/924,133.20 = 260,833.60/x
  3. Step 3: Cross multiply
    616,002.40x = 924,133.20 × 260,833.60
  4. Step 4: Simplify right side
    616,002.40x = 241,044,989,435.52
  5. Step 5: Solve for x
    x = 241,044,989,435.52/616,002.40
  6. Step 6: Final answer
    x = 391,305.28

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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.