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Finding the Fourth Proportional to 660,759.16, 991,098.64 and 234,316.08

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Solution

The fourth proportional to 660,759.16, 991,098.64 and 234,316.08 is: 351,459.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,759.16 : 991,098.64 = 234,316.08 : x
  2. Step 2: Convert to fraction form
    660,759.16/991,098.64 = 234,316.08/x
  3. Step 3: Cross multiply
    660,759.16x = 991,098.64 × 234,316.08
  4. Step 4: Simplify right side
    660,759.16x = 232,230,348,218.13
  5. Step 5: Solve for x
    x = 232,230,348,218.13/660,759.16
  6. Step 6: Final answer
    x = 351,459.90

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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.