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Finding the Fourth Proportional to 539,859.56, 745,006.26 and 301,395.56

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Solution

The fourth proportional to 539,859.56, 745,006.26 and 301,395.56 is: 415,925.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,859.56 : 745,006.26 = 301,395.56 : x
  2. Step 2: Convert to fraction form
    539,859.56/745,006.26 = 301,395.56/x
  3. Step 3: Cross multiply
    539,859.56x = 745,006.26 × 301,395.56
  4. Step 4: Simplify right side
    539,859.56x = 224,541,578,936.21
  5. Step 5: Solve for x
    x = 224,541,578,936.21/539,859.56
  6. Step 6: Final answer
    x = 415,925.91

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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.