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Finding the Fourth Proportional to 347,655.80, 488,117.80 and 347,655.80

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Solution

The fourth proportional to 347,655.80, 488,117.80 and 347,655.80 is: 488,117.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,655.80 : 488,117.80 = 347,655.80 : x
  2. Step 2: Convert to fraction form
    347,655.80/488,117.80 = 347,655.80/x
  3. Step 3: Cross multiply
    347,655.80x = 488,117.80 × 347,655.80
  4. Step 4: Simplify right side
    347,655.80x = 169,696,984,253.24
  5. Step 5: Solve for x
    x = 169,696,984,253.24/347,655.80
  6. Step 6: Final answer
    x = 488,117.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.