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Finding the Fourth Proportional to 292,117.43, 438,367.72 and 102,572.91

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Solution

The fourth proportional to 292,117.43, 438,367.72 and 102,572.91 is: 153,926.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,117.43 : 438,367.72 = 102,572.91 : x
  2. Step 2: Convert to fraction form
    292,117.43/438,367.72 = 102,572.91/x
  3. Step 3: Cross multiply
    292,117.43x = 438,367.72 × 102,572.91
  4. Step 4: Simplify right side
    292,117.43x = 44,964,652,690.47
  5. Step 5: Solve for x
    x = 44,964,652,690.47/292,117.43
  6. Step 6: Final answer
    x = 153,926.63

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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.