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Finding the Fourth Proportional to 607,078.80, 910,618.20 and 292,150.80

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Solution

The fourth proportional to 607,078.80, 910,618.20 and 292,150.80 is: 438,226.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,078.80 : 910,618.20 = 292,150.80 : x
  2. Step 2: Convert to fraction form
    607,078.80/910,618.20 = 292,150.80/x
  3. Step 3: Cross multiply
    607,078.80x = 910,618.20 × 292,150.80
  4. Step 4: Simplify right side
    607,078.80x = 266,037,835,624.56
  5. Step 5: Solve for x
    x = 266,037,835,624.56/607,078.80
  6. Step 6: Final answer
    x = 438,226.20

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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.