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Finding the Fourth Proportional to 578,669.20, 868,003.80 and 473,606.80

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Solution

The fourth proportional to 578,669.20, 868,003.80 and 473,606.80 is: 710,410.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,669.20 : 868,003.80 = 473,606.80 : x
  2. Step 2: Convert to fraction form
    578,669.20/868,003.80 = 473,606.80/x
  3. Step 3: Cross multiply
    578,669.20x = 868,003.80 × 473,606.80
  4. Step 4: Simplify right side
    578,669.20x = 411,092,502,105.84
  5. Step 5: Solve for x
    x = 411,092,502,105.84/578,669.20
  6. Step 6: Final answer
    x = 710,410.20

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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.