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Finding the Fourth Proportional to 286,444.48, 429,666.88 and 108,910.48

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Solution

The fourth proportional to 286,444.48, 429,666.88 and 108,910.48 is: 163,365.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,444.48 : 429,666.88 = 108,910.48 : x
  2. Step 2: Convert to fraction form
    286,444.48/429,666.88 = 108,910.48/x
  3. Step 3: Cross multiply
    286,444.48x = 429,666.88 × 108,910.48
  4. Step 4: Simplify right side
    286,444.48x = 46,795,226,140.90
  5. Step 5: Solve for x
    x = 46,795,226,140.90/286,444.48
  6. Step 6: Final answer
    x = 163,365.78

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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.