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Finding the Fourth Proportional to 676,130.90, 933,031.85 and 370,201.73

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Solution

The fourth proportional to 676,130.90, 933,031.85 and 370,201.73 is: 510,862.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,130.90 : 933,031.85 = 370,201.73 : x
  2. Step 2: Convert to fraction form
    676,130.90/933,031.85 = 370,201.73/x
  3. Step 3: Cross multiply
    676,130.90x = 933,031.85 × 370,201.73
  4. Step 4: Simplify right side
    676,130.90x = 345,409,998,498.93
  5. Step 5: Solve for x
    x = 345,409,998,498.93/676,130.90
  6. Step 6: Final answer
    x = 510,862.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.