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Finding the Fourth Proportional to 850,572.60, 1,275,858.90 and 702,950.10

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Solution

The fourth proportional to 850,572.60, 1,275,858.90 and 702,950.10 is: 1,054,425.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,572.60 : 1,275,858.90 = 702,950.10 : x
  2. Step 2: Convert to fraction form
    850,572.60/1,275,858.90 = 702,950.10/x
  3. Step 3: Cross multiply
    850,572.60x = 1,275,858.90 × 702,950.10
  4. Step 4: Simplify right side
    850,572.60x = 896,865,141,340.89
  5. Step 5: Solve for x
    x = 896,865,141,340.89/850,572.60
  6. Step 6: Final answer
    x = 1,054,425.15

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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.