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Finding the Fourth Proportional to 325,870.10, 488,805.15 and 201,281.30

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Solution

The fourth proportional to 325,870.10, 488,805.15 and 201,281.30 is: 301,921.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,870.10 : 488,805.15 = 201,281.30 : x
  2. Step 2: Convert to fraction form
    325,870.10/488,805.15 = 201,281.30/x
  3. Step 3: Cross multiply
    325,870.10x = 488,805.15 × 201,281.30
  4. Step 4: Simplify right side
    325,870.10x = 98,387,336,038.70
  5. Step 5: Solve for x
    x = 98,387,336,038.70/325,870.10
  6. Step 6: Final answer
    x = 301,921.95

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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.