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Finding the Fourth Proportional to 644,182.60, 966,273.90 and 589,070.20

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Solution

The fourth proportional to 644,182.60, 966,273.90 and 589,070.20 is: 883,605.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,182.60 : 966,273.90 = 589,070.20 : x
  2. Step 2: Convert to fraction form
    644,182.60/966,273.90 = 589,070.20/x
  3. Step 3: Cross multiply
    644,182.60x = 966,273.90 × 589,070.20
  4. Step 4: Simplify right side
    644,182.60x = 569,203,159,527.78
  5. Step 5: Solve for x
    x = 569,203,159,527.78/644,182.60
  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.