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Finding the Fourth Proportional to 444,395.51, 613,263.17 and 253,404.80

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Solution

The fourth proportional to 444,395.51, 613,263.17 and 253,404.80 is: 349,697.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,395.51 : 613,263.17 = 253,404.80 : x
  2. Step 2: Convert to fraction form
    444,395.51/613,263.17 = 253,404.80/x
  3. Step 3: Cross multiply
    444,395.51x = 613,263.17 × 253,404.80
  4. Step 4: Simplify right side
    444,395.51x = 155,403,828,508.41
  5. Step 5: Solve for x
    x = 155,403,828,508.41/444,395.51
  6. Step 6: Final answer
    x = 349,697.12

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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.