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Finding the Fourth Proportional to 587,205.60, 880,808.40 and 447,237.60

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Solution

The fourth proportional to 587,205.60, 880,808.40 and 447,237.60 is: 670,856.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,205.60 : 880,808.40 = 447,237.60 : x
  2. Step 2: Convert to fraction form
    587,205.60/880,808.40 = 447,237.60/x
  3. Step 3: Cross multiply
    587,205.60x = 880,808.40 × 447,237.60
  4. Step 4: Simplify right side
    587,205.60x = 393,930,634,875.84
  5. Step 5: Solve for x
    x = 393,930,634,875.84/587,205.60
  6. Step 6: Final answer
    x = 670,856.40

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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.