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Finding the Fourth Proportional to 583,661.40, 876,148.20 and 451,129.20

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Solution

The fourth proportional to 583,661.40, 876,148.20 and 451,129.20 is: 677,200.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,661.40 : 876,148.20 = 451,129.20 : x
  2. Step 2: Convert to fraction form
    583,661.40/876,148.20 = 451,129.20/x
  3. Step 3: Cross multiply
    583,661.40x = 876,148.20 × 451,129.20
  4. Step 4: Simplify right side
    583,661.40x = 395,256,036,547.44
  5. Step 5: Solve for x
    x = 395,256,036,547.44/583,661.40
  6. Step 6: Final answer
    x = 677,200.92

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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.