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Finding the Fourth Proportional to 607,547.65, 911,318.16 and 247,717.09

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Solution

The fourth proportional to 607,547.65, 911,318.16 and 247,717.09 is: 371,574.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,547.65 : 911,318.16 = 247,717.09 : x
  2. Step 2: Convert to fraction form
    607,547.65/911,318.16 = 247,717.09/x
  3. Step 3: Cross multiply
    607,547.65x = 911,318.16 × 247,717.09
  4. Step 4: Simplify right side
    607,547.65x = 225,749,082,659.35
  5. Step 5: Solve for x
    x = 225,749,082,659.35/607,547.65
  6. Step 6: Final answer
    x = 371,574.28

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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.