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Finding the Fourth Proportional to 286,572, 429,267.19 and 167,883.51

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Solution

The fourth proportional to 286,572, 429,267.19 and 167,883.51 is: 251,479.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,572 : 429,267.19 = 167,883.51 : x
  2. Step 2: Convert to fraction form
    286,572/429,267.19 = 167,883.51/x
  3. Step 3: Cross multiply
    286,572x = 429,267.19 × 167,883.51
  4. Step 4: Simplify right side
    286,572x = 72,066,882,165.33
  5. Step 5: Solve for x
    x = 72,066,882,165.33/286,572
  6. Step 6: Final answer
    x = 251,479.15

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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.