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Finding the Fourth Proportional to 358,678.85, 537,427.73 and 250,619.18

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Solution

The fourth proportional to 358,678.85, 537,427.73 and 250,619.18 is: 375,516.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,678.85 : 537,427.73 = 250,619.18 : x
  2. Step 2: Convert to fraction form
    358,678.85/537,427.73 = 250,619.18/x
  3. Step 3: Cross multiply
    358,678.85x = 537,427.73 × 250,619.18
  4. Step 4: Simplify right side
    358,678.85x = 134,689,697,001.86
  5. Step 5: Solve for x
    x = 134,689,697,001.86/358,678.85
  6. Step 6: Final answer
    x = 375,516.14

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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.