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Finding the Fourth Proportional to 530,934.90, 796,402.35 and 156,957.90

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Solution

The fourth proportional to 530,934.90, 796,402.35 and 156,957.90 is: 235,436.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,934.90 : 796,402.35 = 156,957.90 : x
  2. Step 2: Convert to fraction form
    530,934.90/796,402.35 = 156,957.90/x
  3. Step 3: Cross multiply
    530,934.90x = 796,402.35 × 156,957.90
  4. Step 4: Simplify right side
    530,934.90x = 125,001,640,411.07
  5. Step 5: Solve for x
    x = 125,001,640,411.07/530,934.90
  6. Step 6: Final answer
    x = 235,436.85

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Similar ratio
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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.