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Finding the Fourth Proportional to 379,925.61, 526,694.99 and 359,701.53

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Solution

The fourth proportional to 379,925.61, 526,694.99 and 359,701.53 is: 498,658.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,925.61 : 526,694.99 = 359,701.53 : x
  2. Step 2: Convert to fraction form
    379,925.61/526,694.99 = 359,701.53/x
  3. Step 3: Cross multiply
    379,925.61x = 526,694.99 × 359,701.53
  4. Step 4: Simplify right side
    379,925.61x = 189,452,994,645.59
  5. Step 5: Solve for x
    x = 189,452,994,645.59/379,925.61
  6. Step 6: Final answer
    x = 498,658.13

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.