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Finding the Fourth Proportional to 472,151.92, 651,568.52 and 257,291.63

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Solution

The fourth proportional to 472,151.92, 651,568.52 and 257,291.63 is: 355,061.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,151.92 : 651,568.52 = 257,291.63 : x
  2. Step 2: Convert to fraction form
    472,151.92/651,568.52 = 257,291.63/x
  3. Step 3: Cross multiply
    472,151.92x = 651,568.52 × 257,291.63
  4. Step 4: Simplify right side
    472,151.92x = 167,643,126,567.49
  5. Step 5: Solve for x
    x = 167,643,126,567.49/472,151.92
  6. Step 6: Final answer
    x = 355,061.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.