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Finding the Fourth Proportional to 575,667, 862,378.38 and 350,468.82

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Solution

The fourth proportional to 575,667, 862,378.38 and 350,468.82 is: 525,020.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,667 : 862,378.38 = 350,468.82 : x
  2. Step 2: Convert to fraction form
    575,667/862,378.38 = 350,468.82/x
  3. Step 3: Cross multiply
    575,667x = 862,378.38 × 350,468.82
  4. Step 4: Simplify right side
    575,667x = 302,236,733,232.11
  5. Step 5: Solve for x
    x = 302,236,733,232.11/575,667
  6. Step 6: Final answer
    x = 525,020.08

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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.