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Finding the Fourth Proportional to 457,460.64, 631,277.46 and 253,520.28

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Solution

The fourth proportional to 457,460.64, 631,277.46 and 253,520.28 is: 349,847.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,460.64 : 631,277.46 = 253,520.28 : x
  2. Step 2: Convert to fraction form
    457,460.64/631,277.46 = 253,520.28/x
  3. Step 3: Cross multiply
    457,460.64x = 631,277.46 × 253,520.28
  4. Step 4: Simplify right side
    457,460.64x = 160,041,638,416.89
  5. Step 5: Solve for x
    x = 160,041,638,416.89/457,460.64
  6. Step 6: Final answer
    x = 349,847.89

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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.