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Finding the Fourth Proportional to 869,727.30, 1,304,590.95 and 869,727.30

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Solution

The fourth proportional to 869,727.30, 1,304,590.95 and 869,727.30 is: 1,304,590.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,727.30 : 1,304,590.95 = 869,727.30 : x
  2. Step 2: Convert to fraction form
    869,727.30/1,304,590.95 = 869,727.30/x
  3. Step 3: Cross multiply
    869,727.30x = 1,304,590.95 × 869,727.30
  4. Step 4: Simplify right side
    869,727.30x = 1,134,638,364,547.94
  5. Step 5: Solve for x
    x = 1,134,638,364,547.94/869,727.30
  6. Step 6: Final answer
    x = 1,304,590.95

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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.