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Finding the Fourth Proportional to 648,167.80, 972,251.70 and 589,070.20

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Solution

The fourth proportional to 648,167.80, 972,251.70 and 589,070.20 is: 883,605.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,167.80 : 972,251.70 = 589,070.20 : x
  2. Step 2: Convert to fraction form
    648,167.80/972,251.70 = 589,070.20/x
  3. Step 3: Cross multiply
    648,167.80x = 972,251.70 × 589,070.20
  4. Step 4: Simplify right side
    648,167.80x = 572,724,503,369.34
  5. Step 5: Solve for x
    x = 572,724,503,369.34/648,167.80
  6. Step 6: Final answer
    x = 883,605.30

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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.