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Finding the Fourth Proportional to 341,649.60, 512,474.40 and 88,929.60

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Solution

The fourth proportional to 341,649.60, 512,474.40 and 88,929.60 is: 133,394.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,649.60 : 512,474.40 = 88,929.60 : x
  2. Step 2: Convert to fraction form
    341,649.60/512,474.40 = 88,929.60/x
  3. Step 3: Cross multiply
    341,649.60x = 512,474.40 × 88,929.60
  4. Step 4: Simplify right side
    341,649.60x = 45,574,143,402.24
  5. Step 5: Solve for x
    x = 45,574,143,402.24/341,649.60
  6. Step 6: Final answer
    x = 133,394.40

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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.