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Finding the Fourth Proportional to 486,759.16, 730,164.58 and 150,031.08

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Solution

The fourth proportional to 486,759.16, 730,164.58 and 150,031.08 is: 225,054.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,759.16 : 730,164.58 = 150,031.08 : x
  2. Step 2: Convert to fraction form
    486,759.16/730,164.58 = 150,031.08/x
  3. Step 3: Cross multiply
    486,759.16x = 730,164.58 × 150,031.08
  4. Step 4: Simplify right side
    486,759.16x = 109,547,380,515.15
  5. Step 5: Solve for x
    x = 109,547,380,515.15/486,759.16
  6. Step 6: Final answer
    x = 225,054.58

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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.