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Finding the Fourth Proportional to 702,385.17, 969,291.55 and 380,095.27

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Solution

The fourth proportional to 702,385.17, 969,291.55 and 380,095.27 is: 524,531.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,385.17 : 969,291.55 = 380,095.27 : x
  2. Step 2: Convert to fraction form
    702,385.17/969,291.55 = 380,095.27/x
  3. Step 3: Cross multiply
    702,385.17x = 969,291.55 × 380,095.27
  4. Step 4: Simplify right side
    702,385.17x = 368,423,129,319.82
  5. Step 5: Solve for x
    x = 368,423,129,319.82/702,385.17
  6. Step 6: Final answer
    x = 524,531.47

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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.