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Finding the Fourth Proportional to 607,029.90, 910,544.85 and 207,537.90

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Solution

The fourth proportional to 607,029.90, 910,544.85 and 207,537.90 is: 311,306.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,029.90 : 910,544.85 = 207,537.90 : x
  2. Step 2: Convert to fraction form
    607,029.90/910,544.85 = 207,537.90/x
  3. Step 3: Cross multiply
    607,029.90x = 910,544.85 × 207,537.90
  4. Step 4: Simplify right side
    607,029.90x = 188,972,566,024.82
  5. Step 5: Solve for x
    x = 188,972,566,024.82/607,029.90
  6. Step 6: Final answer
    x = 311,306.85

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Double scale
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Similar ratio
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1.5x scale

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.