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Finding the Fourth Proportional to 459,216.66, 633,726.53 and 252,493.78

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Solution

The fourth proportional to 459,216.66, 633,726.53 and 252,493.78 is: 348,445.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,216.66 : 633,726.53 = 252,493.78 : x
  2. Step 2: Convert to fraction form
    459,216.66/633,726.53 = 252,493.78/x
  3. Step 3: Cross multiply
    459,216.66x = 633,726.53 × 252,493.78
  4. Step 4: Simplify right side
    459,216.66x = 160,012,007,045.98
  5. Step 5: Solve for x
    x = 160,012,007,045.98/459,216.66
  6. Step 6: Final answer
    x = 348,445.56

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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.