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Finding the Fourth Proportional to 360,925.66, 497,955.39 and 207,959.89

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Solution

The fourth proportional to 360,925.66, 497,955.39 and 207,959.89 is: 286,914.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,925.66 : 497,955.39 = 207,959.89 : x
  2. Step 2: Convert to fraction form
    360,925.66/497,955.39 = 207,959.89/x
  3. Step 3: Cross multiply
    360,925.66x = 497,955.39 × 207,959.89
  4. Step 4: Simplify right side
    360,925.66x = 103,554,748,129.31
  5. Step 5: Solve for x
    x = 103,554,748,129.31/360,925.66
  6. Step 6: Final answer
    x = 286,914.34

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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.