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Finding the Fourth Proportional to 702,447.04, 969,376.98 and 380,159.47

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Solution

The fourth proportional to 702,447.04, 969,376.98 and 380,159.47 is: 524,620.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,447.04 : 969,376.98 = 380,159.47 : x
  2. Step 2: Convert to fraction form
    702,447.04/969,376.98 = 380,159.47/x
  3. Step 3: Cross multiply
    702,447.04x = 969,376.98 × 380,159.47
  4. Step 4: Simplify right side
    702,447.04x = 368,517,838,947.00
  5. Step 5: Solve for x
    x = 368,517,838,947.00/702,447.04
  6. Step 6: Final answer
    x = 524,620.10

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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.