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Finding the Fourth Proportional to 286,023.40, 429,035.10 and 232,879.30

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Solution

The fourth proportional to 286,023.40, 429,035.10 and 232,879.30 is: 349,318.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,023.40 : 429,035.10 = 232,879.30 : x
  2. Step 2: Convert to fraction form
    286,023.40/429,035.10 = 232,879.30/x
  3. Step 3: Cross multiply
    286,023.40x = 429,035.10 × 232,879.30
  4. Step 4: Simplify right side
    286,023.40x = 99,913,393,763.43
  5. Step 5: Solve for x
    x = 99,913,393,763.43/286,023.40
  6. Step 6: Final answer
    x = 349,318.95

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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.