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Finding the Fourth Proportional to 576,897.31, 865,346.63 and 150,432.76

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Solution

The fourth proportional to 576,897.31, 865,346.63 and 150,432.76 is: 225,649.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,897.31 : 865,346.63 = 150,432.76 : x
  2. Step 2: Convert to fraction form
    576,897.31/865,346.63 = 150,432.76/x
  3. Step 3: Cross multiply
    576,897.31x = 865,346.63 × 150,432.76
  4. Step 4: Simplify right side
    576,897.31x = 130,176,481,907.60
  5. Step 5: Solve for x
    x = 130,176,481,907.60/576,897.31
  6. Step 6: Final answer
    x = 225,649.31

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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.