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Finding the Fourth Proportional to 247,210.60, 370,931.10 and 185,002.60

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Solution

The fourth proportional to 247,210.60, 370,931.10 and 185,002.60 is: 277,590.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,210.60 : 370,931.10 = 185,002.60 : x
  2. Step 2: Convert to fraction form
    247,210.60/370,931.10 = 185,002.60/x
  3. Step 3: Cross multiply
    247,210.60x = 370,931.10 × 185,002.60
  4. Step 4: Simplify right side
    247,210.60x = 68,623,217,920.86
  5. Step 5: Solve for x
    x = 68,623,217,920.86/247,210.60
  6. Step 6: Final answer
    x = 277,590.11

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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.