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Finding the Fourth Proportional to 994,501.60, 1,492,335.60 and 363,479.20

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Solution

The fourth proportional to 994,501.60, 1,492,335.60 and 363,479.20 is: 545,431.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,501.60 : 1,492,335.60 = 363,479.20 : x
  2. Step 2: Convert to fraction form
    994,501.60/1,492,335.60 = 363,479.20/x
  3. Step 3: Cross multiply
    994,501.60x = 1,492,335.60 × 363,479.20
  4. Step 4: Simplify right side
    994,501.60x = 542,432,950,019.52
  5. Step 5: Solve for x
    x = 542,432,950,019.52/994,501.60
  6. Step 6: Final answer
    x = 545,431.95

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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.