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Finding the Fourth Proportional to 702,841.10, 969,921.17 and 380,551.41

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Solution

The fourth proportional to 702,841.10, 969,921.17 and 380,551.41 is: 525,161.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,841.10 : 969,921.17 = 380,551.41 : x
  2. Step 2: Convert to fraction form
    702,841.10/969,921.17 = 380,551.41/x
  3. Step 3: Cross multiply
    702,841.10x = 969,921.17 × 380,551.41
  4. Step 4: Simplify right side
    702,841.10x = 369,104,868,356.66
  5. Step 5: Solve for x
    x = 369,104,868,356.66/702,841.10
  6. Step 6: Final answer
    x = 525,161.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.