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Finding the Fourth Proportional to 578,667.20, 868,000.80 and 473,604.80

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Solution

The fourth proportional to 578,667.20, 868,000.80 and 473,604.80 is: 710,407.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,667.20 : 868,000.80 = 473,604.80 : x
  2. Step 2: Convert to fraction form
    578,667.20/868,000.80 = 473,604.80/x
  3. Step 3: Cross multiply
    578,667.20x = 868,000.80 × 473,604.80
  4. Step 4: Simplify right side
    578,667.20x = 411,089,345,283.84
  5. Step 5: Solve for x
    x = 411,089,345,283.84/578,667.20
  6. Step 6: Final answer
    x = 710,407.20

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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.