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Finding the Fourth Proportional to 308,567.34, 425,854.98 and 177,749.52

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Solution

The fourth proportional to 308,567.34, 425,854.98 and 177,749.52 is: 245,312.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,567.34 : 425,854.98 = 177,749.52 : x
  2. Step 2: Convert to fraction form
    308,567.34/425,854.98 = 177,749.52/x
  3. Step 3: Cross multiply
    308,567.34x = 425,854.98 × 177,749.52
  4. Step 4: Simplify right side
    308,567.34x = 75,695,518,284.61
  5. Step 5: Solve for x
    x = 75,695,518,284.61/308,567.34
  6. Step 6: Final answer
    x = 245,312.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.