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Finding the Fourth Proportional to 414,726.76, 572,142.66 and 253,588.52

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Solution

The fourth proportional to 414,726.76, 572,142.66 and 253,588.52 is: 349,841.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,726.76 : 572,142.66 = 253,588.52 : x
  2. Step 2: Convert to fraction form
    414,726.76/572,142.66 = 253,588.52/x
  3. Step 3: Cross multiply
    414,726.76x = 572,142.66 × 253,588.52
  4. Step 4: Simplify right side
    414,726.76x = 145,088,810,378.26
  5. Step 5: Solve for x
    x = 145,088,810,378.26/414,726.76
  6. Step 6: Final answer
    x = 349,841.93

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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.