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Finding the Fourth Proportional to 555,547.65, 833,388.20 and 195,644.11

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Solution

The fourth proportional to 555,547.65, 833,388.20 and 195,644.11 is: 293,489.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,547.65 : 833,388.20 = 195,644.11 : x
  2. Step 2: Convert to fraction form
    555,547.65/833,388.20 = 195,644.11/x
  3. Step 3: Cross multiply
    555,547.65x = 833,388.20 × 195,644.11
  4. Step 4: Simplify right side
    555,547.65x = 163,047,491,733.12
  5. Step 5: Solve for x
    x = 163,047,491,733.12/555,547.65
  6. Step 6: Final answer
    x = 293,489.66

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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.