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Finding the Fourth Proportional to 487,009.44, 730,526.95 and 230,781.94

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Solution

The fourth proportional to 487,009.44, 730,526.95 and 230,781.94 is: 346,178.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,009.44 : 730,526.95 = 230,781.94 : x
  2. Step 2: Convert to fraction form
    487,009.44/730,526.95 = 230,781.94/x
  3. Step 3: Cross multiply
    487,009.44x = 730,526.95 × 230,781.94
  4. Step 4: Simplify right side
    487,009.44x = 168,592,426,743.28
  5. Step 5: Solve for x
    x = 168,592,426,743.28/487,009.44
  6. Step 6: Final answer
    x = 346,178.97

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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.