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Finding the Fourth Proportional to 358,587.15, 537,631.65 and 158,798.63

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Solution

The fourth proportional to 358,587.15, 537,631.65 and 158,798.63 is: 238,087.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,587.15 : 537,631.65 = 158,798.63 : x
  2. Step 2: Convert to fraction form
    358,587.15/537,631.65 = 158,798.63/x
  3. Step 3: Cross multiply
    358,587.15x = 537,631.65 × 158,798.63
  4. Step 4: Simplify right side
    358,587.15x = 85,375,166,776.48
  5. Step 5: Solve for x
    x = 85,375,166,776.48/358,587.15
  6. Step 6: Final answer
    x = 238,087.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.