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Finding the Fourth Proportional to 457,254.99, 631,004.04 and 253,301.72

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Solution

The fourth proportional to 457,254.99, 631,004.04 and 253,301.72 is: 349,552.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,254.99 : 631,004.04 = 253,301.72 : x
  2. Step 2: Convert to fraction form
    457,254.99/631,004.04 = 253,301.72/x
  3. Step 3: Cross multiply
    457,254.99x = 631,004.04 × 253,301.72
  4. Step 4: Simplify right side
    457,254.99x = 159,834,405,503.93
  5. Step 5: Solve for x
    x = 159,834,405,503.93/457,254.99
  6. Step 6: Final answer
    x = 349,552.02

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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.