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Finding the Fourth Proportional to 325,547.10, 488,320.65 and 112,314.60

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Solution

The fourth proportional to 325,547.10, 488,320.65 and 112,314.60 is: 168,471.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,547.10 : 488,320.65 = 112,314.60 : x
  2. Step 2: Convert to fraction form
    325,547.10/488,320.65 = 112,314.60/x
  3. Step 3: Cross multiply
    325,547.10x = 488,320.65 × 112,314.60
  4. Step 4: Simplify right side
    325,547.10x = 54,845,538,476.49
  5. Step 5: Solve for x
    x = 54,845,538,476.49/325,547.10
  6. Step 6: Final answer
    x = 168,471.90

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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.