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Finding the Fourth Proportional to 576,894.80, 865,342.87 and 150,430.25

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Solution

The fourth proportional to 576,894.80, 865,342.87 and 150,430.25 is: 225,645.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,894.80 : 865,342.87 = 150,430.25 : x
  2. Step 2: Convert to fraction form
    576,894.80/865,342.87 = 150,430.25/x
  3. Step 3: Cross multiply
    576,894.80x = 865,342.87 × 150,430.25
  4. Step 4: Simplify right side
    576,894.80x = 130,173,746,057.10
  5. Step 5: Solve for x
    x = 130,173,746,057.10/576,894.80
  6. Step 6: Final answer
    x = 225,645.55

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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.