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Finding the Fourth Proportional to 666,678.04, 1,000,017.58 and 168,042.04

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Solution

The fourth proportional to 666,678.04, 1,000,017.58 and 168,042.04 is: 252,063.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,678.04 : 1,000,017.58 = 168,042.04 : x
  2. Step 2: Convert to fraction form
    666,678.04/1,000,017.58 = 168,042.04/x
  3. Step 3: Cross multiply
    666,678.04x = 1,000,017.58 × 168,042.04
  4. Step 4: Simplify right side
    666,678.04x = 168,044,994,179.06
  5. Step 5: Solve for x
    x = 168,044,994,179.06/666,678.04
  6. Step 6: Final answer
    x = 252,063.19

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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.