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Finding the Fourth Proportional to 546,642.53, 754,367.91 and 304,940.76

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Solution

The fourth proportional to 546,642.53, 754,367.91 and 304,940.76 is: 420,818.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,642.53 : 754,367.91 = 304,940.76 : x
  2. Step 2: Convert to fraction form
    546,642.53/754,367.91 = 304,940.76/x
  3. Step 3: Cross multiply
    546,642.53x = 754,367.91 × 304,940.76
  4. Step 4: Simplify right side
    546,642.53x = 230,037,518,498.47
  5. Step 5: Solve for x
    x = 230,037,518,498.47/546,642.53
  6. Step 6: Final answer
    x = 420,818.92

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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.