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Finding the Fourth Proportional to 529,689.12, 794,533.36 and 155,712.16

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Solution

The fourth proportional to 529,689.12, 794,533.36 and 155,712.16 is: 233,568.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,689.12 : 794,533.36 = 155,712.16 : x
  2. Step 2: Convert to fraction form
    529,689.12/794,533.36 = 155,712.16/x
  3. Step 3: Cross multiply
    529,689.12x = 794,533.36 × 155,712.16
  4. Step 4: Simplify right side
    529,689.12x = 123,718,505,677.66
  5. Step 5: Solve for x
    x = 123,718,505,677.66/529,689.12
  6. Step 6: Final answer
    x = 233,568.15

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.