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Finding the Fourth Proportional to 487,000.05, 730,580.04 and 150,040.77

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Solution

The fourth proportional to 487,000.05, 730,580.04 and 150,040.77 is: 225,085.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,000.05 : 730,580.04 = 150,040.77 : x
  2. Step 2: Convert to fraction form
    487,000.05/730,580.04 = 150,040.77/x
  3. Step 3: Cross multiply
    487,000.05x = 730,580.04 × 150,040.77
  4. Step 4: Simplify right side
    487,000.05x = 109,616,791,748.23
  5. Step 5: Solve for x
    x = 109,616,791,748.23/487,000.05
  6. Step 6: Final answer
    x = 225,085.79

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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.