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Finding the Fourth Proportional to 963,372.60, 1,443,503.70 and 607,750.20

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Solution

The fourth proportional to 963,372.60, 1,443,503.70 and 607,750.20 is: 910,644.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,372.60 : 1,443,503.70 = 607,750.20 : x
  2. Step 2: Convert to fraction form
    963,372.60/1,443,503.70 = 607,750.20/x
  3. Step 3: Cross multiply
    963,372.60x = 1,443,503.70 × 607,750.20
  4. Step 4: Simplify right side
    963,372.60x = 877,289,662,375.74
  5. Step 5: Solve for x
    x = 877,289,662,375.74/963,372.60
  6. Step 6: Final answer
    x = 910,644.19

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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.