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Finding the Fourth Proportional to 304,765.47, 456,712.63 and 171,365.76

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Solution

The fourth proportional to 304,765.47, 456,712.63 and 171,365.76 is: 256,803.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,765.47 : 456,712.63 = 171,365.76 : x
  2. Step 2: Convert to fraction form
    304,765.47/456,712.63 = 171,365.76/x
  3. Step 3: Cross multiply
    304,765.47x = 456,712.63 × 171,365.76
  4. Step 4: Simplify right side
    304,765.47x = 78,264,906,513.13
  5. Step 5: Solve for x
    x = 78,264,906,513.13/304,765.47
  6. Step 6: Final answer
    x = 256,803.72

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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.