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Finding the Fourth Proportional to 341,388.72, 471,200.76 and 207,365.04

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Solution

The fourth proportional to 341,388.72, 471,200.76 and 207,365.04 is: 286,214.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,388.72 : 471,200.76 = 207,365.04 : x
  2. Step 2: Convert to fraction form
    341,388.72/471,200.76 = 207,365.04/x
  3. Step 3: Cross multiply
    341,388.72x = 471,200.76 × 207,365.04
  4. Step 4: Simplify right side
    341,388.72x = 97,710,564,445.43
  5. Step 5: Solve for x
    x = 97,710,564,445.43/341,388.72
  6. Step 6: Final answer
    x = 286,214.98

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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.