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Finding the Fourth Proportional to 700,460.90, 1,049,136.15 and 607,148.90

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Solution

The fourth proportional to 700,460.90, 1,049,136.15 and 607,148.90 is: 909,375.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,460.90 : 1,049,136.15 = 607,148.90 : x
  2. Step 2: Convert to fraction form
    700,460.90/1,049,136.15 = 607,148.90/x
  3. Step 3: Cross multiply
    700,460.90x = 1,049,136.15 × 607,148.90
  4. Step 4: Simplify right side
    700,460.90x = 636,981,859,422.74
  5. Step 5: Solve for x
    x = 636,981,859,422.74/700,460.90
  6. Step 6: Final answer
    x = 909,375.33

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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.