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Finding the Fourth Proportional to 702,385.24, 969,291.62 and 380,095.34

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Solution

The fourth proportional to 702,385.24, 969,291.62 and 380,095.34 is: 524,531.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,385.24 : 969,291.62 = 380,095.34 : x
  2. Step 2: Convert to fraction form
    702,385.24/969,291.62 = 380,095.34/x
  3. Step 3: Cross multiply
    702,385.24x = 969,291.62 × 380,095.34
  4. Step 4: Simplify right side
    702,385.24x = 368,423,222,006.97
  5. Step 5: Solve for x
    x = 368,423,222,006.97/702,385.24
  6. Step 6: Final answer
    x = 524,531.56

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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.