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Finding the Fourth Proportional to 349,685.10, 524,591.07 and 144,520.10

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Solution

The fourth proportional to 349,685.10, 524,591.07 and 144,520.10 is: 216,806.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,685.10 : 524,591.07 = 144,520.10 : x
  2. Step 2: Convert to fraction form
    349,685.10/524,591.07 = 144,520.10/x
  3. Step 3: Cross multiply
    349,685.10x = 524,591.07 × 144,520.10
  4. Step 4: Simplify right side
    349,685.10x = 75,813,953,895.51
  5. Step 5: Solve for x
    x = 75,813,953,895.51/349,685.10
  6. Step 6: Final answer
    x = 216,806.36

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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.