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Finding the Fourth Proportional to 616,615.70, 924,232.35 and 261,569.30

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Solution

The fourth proportional to 616,615.70, 924,232.35 and 261,569.30 is: 392,060.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,615.70 : 924,232.35 = 261,569.30 : x
  2. Step 2: Convert to fraction form
    616,615.70/924,232.35 = 261,569.30/x
  3. Step 3: Cross multiply
    616,615.70x = 924,232.35 × 261,569.30
  4. Step 4: Simplify right side
    616,615.70x = 241,750,808,826.86
  5. Step 5: Solve for x
    x = 241,750,808,826.86/616,615.70
  6. Step 6: Final answer
    x = 392,060.74

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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.