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Finding the Fourth Proportional to 577,038.20, 865,557.30 and 150,573.20

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Solution

The fourth proportional to 577,038.20, 865,557.30 and 150,573.20 is: 225,859.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,038.20 : 865,557.30 = 150,573.20 : x
  2. Step 2: Convert to fraction form
    577,038.20/865,557.30 = 150,573.20/x
  3. Step 3: Cross multiply
    577,038.20x = 865,557.30 × 150,573.20
  4. Step 4: Simplify right side
    577,038.20x = 130,329,732,444.36
  5. Step 5: Solve for x
    x = 130,329,732,444.36/577,038.20
  6. Step 6: Final answer
    x = 225,859.80

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Double scale
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Similar ratio
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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.