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Finding the Fourth Proportional to 457,753.83, 631,697.18 and 253,804.84

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Solution

The fourth proportional to 457,753.83, 631,697.18 and 253,804.84 is: 350,248.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,753.83 : 631,697.18 = 253,804.84 : x
  2. Step 2: Convert to fraction form
    457,753.83/631,697.18 = 253,804.84/x
  3. Step 3: Cross multiply
    457,753.83x = 631,697.18 × 253,804.84
  4. Step 4: Simplify right side
    457,753.83x = 160,327,803,831.03
  5. Step 5: Solve for x
    x = 160,327,803,831.03/457,753.83
  6. Step 6: Final answer
    x = 350,248.96

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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.