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Finding the Fourth Proportional to 539,300.15, 744,233.33 and 297,582.53

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Solution

The fourth proportional to 539,300.15, 744,233.33 and 297,582.53 is: 410,663.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,300.15 : 744,233.33 = 297,582.53 : x
  2. Step 2: Convert to fraction form
    539,300.15/744,233.33 = 297,582.53/x
  3. Step 3: Cross multiply
    539,300.15x = 744,233.33 × 297,582.53
  4. Step 4: Simplify right side
    539,300.15x = 221,470,832,042.65
  5. Step 5: Solve for x
    x = 221,470,832,042.65/539,300.15
  6. Step 6: Final answer
    x = 410,663.40

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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.