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Finding the Fourth Proportional to 364,656.80, 546,547.80 and 187,072.40

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Solution

The fourth proportional to 364,656.80, 546,547.80 and 187,072.40 is: 280,384.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,656.80 : 546,547.80 = 187,072.40 : x
  2. Step 2: Convert to fraction form
    364,656.80/546,547.80 = 187,072.40/x
  3. Step 3: Cross multiply
    364,656.80x = 546,547.80 × 187,072.40
  4. Step 4: Simplify right side
    364,656.80x = 102,244,008,660.72
  5. Step 5: Solve for x
    x = 102,244,008,660.72/364,656.80
  6. Step 6: Final answer
    x = 280,384.21

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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.