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Finding the Fourth Proportional to 286,501.56, 429,752.34 and 108,967.56

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Solution

The fourth proportional to 286,501.56, 429,752.34 and 108,967.56 is: 163,451.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,501.56 : 429,752.34 = 108,967.56 : x
  2. Step 2: Convert to fraction form
    286,501.56/429,752.34 = 108,967.56/x
  3. Step 3: Cross multiply
    286,501.56x = 429,752.34 × 108,967.56
  4. Step 4: Simplify right side
    286,501.56x = 46,829,063,894.09
  5. Step 5: Solve for x
    x = 46,829,063,894.09/286,501.56
  6. Step 6: Final answer
    x = 163,451.34

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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.