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Finding the Fourth Proportional to 575,671.60, 863,572.20 and 176,309.20

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Solution

The fourth proportional to 575,671.60, 863,572.20 and 176,309.20 is: 264,483.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,671.60 : 863,572.20 = 176,309.20 : x
  2. Step 2: Convert to fraction form
    575,671.60/863,572.20 = 176,309.20/x
  3. Step 3: Cross multiply
    575,671.60x = 863,572.20 × 176,309.20
  4. Step 4: Simplify right side
    575,671.60x = 152,255,723,724.24
  5. Step 5: Solve for x
    x = 152,255,723,724.24/575,671.60
  6. Step 6: Final answer
    x = 264,483.65

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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.