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Finding the Fourth Proportional to 575,756.38, 862,477.96 and 286,697.17

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Solution

The fourth proportional to 575,756.38, 862,477.96 and 286,697.17 is: 429,469.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,756.38 : 862,477.96 = 286,697.17 : x
  2. Step 2: Convert to fraction form
    575,756.38/862,477.96 = 286,697.17/x
  3. Step 3: Cross multiply
    575,756.38x = 862,477.96 × 286,697.17
  4. Step 4: Simplify right side
    575,756.38x = 247,269,988,885.89
  5. Step 5: Solve for x
    x = 247,269,988,885.89/575,756.38
  6. Step 6: Final answer
    x = 429,469.82

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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.