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Finding the Fourth Proportional to 587,286.30, 880,929.45 and 483,606.30

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Solution

The fourth proportional to 587,286.30, 880,929.45 and 483,606.30 is: 725,409.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,286.30 : 880,929.45 = 483,606.30 : x
  2. Step 2: Convert to fraction form
    587,286.30/880,929.45 = 483,606.30/x
  3. Step 3: Cross multiply
    587,286.30x = 880,929.45 × 483,606.30
  4. Step 4: Simplify right side
    587,286.30x = 426,023,031,875.54
  5. Step 5: Solve for x
    x = 426,023,031,875.54/587,286.30
  6. Step 6: Final answer
    x = 725,409.45

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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.