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Finding the Fourth Proportional to 662,422, 914,144.52 and 360,618.16

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Solution

The fourth proportional to 662,422, 914,144.52 and 360,618.16 is: 497,654.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,422 : 914,144.52 = 360,618.16 : x
  2. Step 2: Convert to fraction form
    662,422/914,144.52 = 360,618.16/x
  3. Step 3: Cross multiply
    662,422x = 914,144.52 × 360,618.16
  4. Step 4: Simplify right side
    662,422x = 329,657,114,776.48
  5. Step 5: Solve for x
    x = 329,657,114,776.48/662,422
  6. Step 6: Final answer
    x = 497,654.24

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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.