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Finding the Fourth Proportional to 342,275.76, 513,411.84 and 92,957.76

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Solution

The fourth proportional to 342,275.76, 513,411.84 and 92,957.76 is: 139,436.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,275.76 : 513,411.84 = 92,957.76 : x
  2. Step 2: Convert to fraction form
    342,275.76/513,411.84 = 92,957.76/x
  3. Step 3: Cross multiply
    342,275.76x = 513,411.84 × 92,957.76
  4. Step 4: Simplify right side
    342,275.76x = 47,725,614,603.88
  5. Step 5: Solve for x
    x = 47,725,614,603.88/342,275.76
  6. Step 6: Final answer
    x = 139,436.15

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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.