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Finding the Fourth Proportional to 292,246.76, 438,212.19 and 102,658.16

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Solution

The fourth proportional to 292,246.76, 438,212.19 and 102,658.16 is: 153,931.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,246.76 : 438,212.19 = 102,658.16 : x
  2. Step 2: Convert to fraction form
    292,246.76/438,212.19 = 102,658.16/x
  3. Step 3: Cross multiply
    292,246.76x = 438,212.19 × 102,658.16
  4. Step 4: Simplify right side
    292,246.76x = 44,986,057,114.97
  5. Step 5: Solve for x
    x = 44,986,057,114.97/292,246.76
  6. Step 6: Final answer
    x = 153,931.76

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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.