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Finding the Fourth Proportional to 444,315.42, 613,140.02 and 253,390.26

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Solution

The fourth proportional to 444,315.42, 613,140.02 and 253,390.26 is: 349,669.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,315.42 : 613,140.02 = 253,390.26 : x
  2. Step 2: Convert to fraction form
    444,315.42/613,140.02 = 253,390.26/x
  3. Step 3: Cross multiply
    444,315.42x = 613,140.02 × 253,390.26
  4. Step 4: Simplify right side
    444,315.42x = 155,363,709,084.21
  5. Step 5: Solve for x
    x = 155,363,709,084.21/444,315.42
  6. Step 6: Final answer
    x = 349,669.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.