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Finding the Fourth Proportional to 488,426.61, 731,754 and 360,659.19

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Solution

The fourth proportional to 488,426.61, 731,754 and 360,659.19 is: 540,334.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,426.61 : 731,754 = 360,659.19 : x
  2. Step 2: Convert to fraction form
    488,426.61/731,754 = 360,659.19/x
  3. Step 3: Cross multiply
    488,426.61x = 731,754 × 360,659.19
  4. Step 4: Simplify right side
    488,426.61x = 263,913,804,919.26
  5. Step 5: Solve for x
    x = 263,913,804,919.26/488,426.61
  6. Step 6: Final answer
    x = 540,334.62

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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.