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Finding the Fourth Proportional to 457,014.76, 630,672.62 and 253,061.35

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Solution

The fourth proportional to 457,014.76, 630,672.62 and 253,061.35 is: 349,220.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,014.76 : 630,672.62 = 253,061.35 : x
  2. Step 2: Convert to fraction form
    457,014.76/630,672.62 = 253,061.35/x
  3. Step 3: Cross multiply
    457,014.76x = 630,672.62 × 253,061.35
  4. Step 4: Simplify right side
    457,014.76x = 159,598,861,783.25
  5. Step 5: Solve for x
    x = 159,598,861,783.25/457,014.76
  6. Step 6: Final answer
    x = 349,220.37

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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.