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Finding the Fourth Proportional to 457,551.59, 631,458.98 and 253,666.46

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Solution

The fourth proportional to 457,551.59, 631,458.98 and 253,666.46 is: 350,080.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,551.59 : 631,458.98 = 253,666.46 : x
  2. Step 2: Convert to fraction form
    457,551.59/631,458.98 = 253,666.46/x
  3. Step 3: Cross multiply
    457,551.59x = 631,458.98 × 253,666.46
  4. Step 4: Simplify right side
    457,551.59x = 160,179,964,091.81
  5. Step 5: Solve for x
    x = 160,179,964,091.81/457,551.59
  6. Step 6: Final answer
    x = 350,080.66

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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.