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Finding the Fourth Proportional to 539,246.09, 744,159.05 and 297,528.65

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Solution

The fourth proportional to 539,246.09, 744,159.05 and 297,528.65 is: 410,589.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,246.09 : 744,159.05 = 297,528.65 : x
  2. Step 2: Convert to fraction form
    539,246.09/744,159.05 = 297,528.65/x
  3. Step 3: Cross multiply
    539,246.09x = 744,159.05 × 297,528.65
  4. Step 4: Simplify right side
    539,246.09x = 221,408,634,554.81
  5. Step 5: Solve for x
    x = 221,408,634,554.81/539,246.09
  6. Step 6: Final answer
    x = 410,589.22

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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.