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Finding the Fourth Proportional to 488,422.40, 732,536.40 and 235,702.40

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Solution

The fourth proportional to 488,422.40, 732,536.40 and 235,702.40 is: 353,506.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,422.40 : 732,536.40 = 235,702.40 : x
  2. Step 2: Convert to fraction form
    488,422.40/732,536.40 = 235,702.40/x
  3. Step 3: Cross multiply
    488,422.40x = 732,536.40 × 235,702.40
  4. Step 4: Simplify right side
    488,422.40x = 172,660,587,567.36
  5. Step 5: Solve for x
    x = 172,660,587,567.36/488,422.40
  6. Step 6: Final answer
    x = 353,506.69

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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.