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Finding the Fourth Proportional to 502,710.60, 754,065.90 and 446,723.40

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Solution

The fourth proportional to 502,710.60, 754,065.90 and 446,723.40 is: 670,085.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,710.60 : 754,065.90 = 446,723.40 : x
  2. Step 2: Convert to fraction form
    502,710.60/754,065.90 = 446,723.40/x
  3. Step 3: Cross multiply
    502,710.60x = 754,065.90 × 446,723.40
  4. Step 4: Simplify right side
    502,710.60x = 336,858,882,672.06
  5. Step 5: Solve for x
    x = 336,858,882,672.06/502,710.60
  6. Step 6: Final answer
    x = 670,085.10

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.