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Finding the Fourth Proportional to 369,587.88, 510,030.56 and 208,442.43

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Solution

The fourth proportional to 369,587.88, 510,030.56 and 208,442.43 is: 287,650.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,587.88 : 510,030.56 = 208,442.43 : x
  2. Step 2: Convert to fraction form
    369,587.88/510,030.56 = 208,442.43/x
  3. Step 3: Cross multiply
    369,587.88x = 510,030.56 × 208,442.43
  4. Step 4: Simplify right side
    369,587.88x = 106,312,005,708.30
  5. Step 5: Solve for x
    x = 106,312,005,708.30/369,587.88
  6. Step 6: Final answer
    x = 287,650.14

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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.