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Finding the Fourth Proportional to 487,369.13, 730,786.06 and 150,316.25

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Solution

The fourth proportional to 487,369.13, 730,786.06 and 150,316.25 is: 225,391.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,369.13 : 730,786.06 = 150,316.25 : x
  2. Step 2: Convert to fraction form
    487,369.13/730,786.06 = 150,316.25/x
  3. Step 3: Cross multiply
    487,369.13x = 730,786.06 × 150,316.25
  4. Step 4: Simplify right side
    487,369.13x = 109,849,019,339.89
  5. Step 5: Solve for x
    x = 109,849,019,339.89/487,369.13
  6. Step 6: Final answer
    x = 225,391.83

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1.5x scale

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.