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Finding the Fourth Proportional to 524,240.78, 785,785.56 and 299,110.39

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Solution

The fourth proportional to 524,240.78, 785,785.56 and 299,110.39 is: 448,337.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,240.78 : 785,785.56 = 299,110.39 : x
  2. Step 2: Convert to fraction form
    524,240.78/785,785.56 = 299,110.39/x
  3. Step 3: Cross multiply
    524,240.78x = 785,785.56 × 299,110.39
  4. Step 4: Simplify right side
    524,240.78x = 235,036,625,307.97
  5. Step 5: Solve for x
    x = 235,036,625,307.97/524,240.78
  6. Step 6: Final answer
    x = 448,337.17

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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.