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Finding the Fourth Proportional to 457,446.23, 631,277.28 and 253,500.51

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Solution

The fourth proportional to 457,446.23, 631,277.28 and 253,500.51 is: 349,831.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,446.23 : 631,277.28 = 253,500.51 : x
  2. Step 2: Convert to fraction form
    457,446.23/631,277.28 = 253,500.51/x
  3. Step 3: Cross multiply
    457,446.23x = 631,277.28 × 253,500.51
  4. Step 4: Simplify right side
    457,446.23x = 160,029,114,798.70
  5. Step 5: Solve for x
    x = 160,029,114,798.70/457,446.23
  6. Step 6: Final answer
    x = 349,831.53

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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.