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Finding the Fourth Proportional to 651,244.60, 976,866.90 and 572,512.60

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Solution

The fourth proportional to 651,244.60, 976,866.90 and 572,512.60 is: 858,768.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,244.60 : 976,866.90 = 572,512.60 : x
  2. Step 2: Convert to fraction form
    651,244.60/976,866.90 = 572,512.60/x
  3. Step 3: Cross multiply
    651,244.60x = 976,866.90 × 572,512.60
  4. Step 4: Simplify right side
    651,244.60x = 559,268,608,772.94
  5. Step 5: Solve for x
    x = 559,268,608,772.94/651,244.60
  6. Step 6: Final answer
    x = 858,768.90

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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.