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Finding the Fourth Proportional to 575,640.53, 863,462.85 and 176,279.55

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Solution

The fourth proportional to 575,640.53, 863,462.85 and 176,279.55 is: 264,419.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,640.53 : 863,462.85 = 176,279.55 : x
  2. Step 2: Convert to fraction form
    575,640.53/863,462.85 = 176,279.55/x
  3. Step 3: Cross multiply
    575,640.53x = 863,462.85 × 176,279.55
  4. Step 4: Simplify right side
    575,640.53x = 152,210,842,639.72
  5. Step 5: Solve for x
    x = 152,210,842,639.72/575,640.53
  6. Step 6: Final answer
    x = 264,419.95

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1.5x scale

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.