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Finding the Fourth Proportional to 403,750.20, 605,627.59 and 104,210.30

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Solution

The fourth proportional to 403,750.20, 605,627.59 and 104,210.30 is: 156,316.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,750.20 : 605,627.59 = 104,210.30 : x
  2. Step 2: Convert to fraction form
    403,750.20/605,627.59 = 104,210.30/x
  3. Step 3: Cross multiply
    403,750.20x = 605,627.59 × 104,210.30
  4. Step 4: Simplify right side
    403,750.20x = 63,112,632,842.18
  5. Step 5: Solve for x
    x = 63,112,632,842.18/403,750.20
  6. Step 6: Final answer
    x = 156,316.04

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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.