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Finding the Fourth Proportional to 1,145,706.04, 1,719,347.98 and 397,752.04

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Solution

The fourth proportional to 1,145,706.04, 1,719,347.98 and 397,752.04 is: 596,901.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,706.04 : 1,719,347.98 = 397,752.04 : x
  2. Step 2: Convert to fraction form
    1,145,706.04/1,719,347.98 = 397,752.04/x
  3. Step 3: Cross multiply
    1,145,706.04x = 1,719,347.98 × 397,752.04
  4. Step 4: Simplify right side
    1,145,706.04x = 683,874,166,514.88
  5. Step 5: Solve for x
    x = 683,874,166,514.88/1,145,706.04
  6. Step 6: Final answer
    x = 596,901.95

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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.