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Finding the Fourth Proportional to 539,879.84, 745,001.52 and 325,089.44

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Solution

The fourth proportional to 539,879.84, 745,001.52 and 325,089.44 is: 448,603.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,879.84 : 745,001.52 = 325,089.44 : x
  2. Step 2: Convert to fraction form
    539,879.84/745,001.52 = 325,089.44/x
  3. Step 3: Cross multiply
    539,879.84x = 745,001.52 × 325,089.44
  4. Step 4: Simplify right side
    539,879.84x = 242,192,126,935.95
  5. Step 5: Solve for x
    x = 242,192,126,935.95/539,879.84
  6. Step 6: Final answer
    x = 448,603.76

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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.