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Finding the Fourth Proportional to 1,569,152.30, 2,351,482.85 and 893,839.10

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Solution

The fourth proportional to 1,569,152.30, 2,351,482.85 and 893,839.10 is: 1,339,479.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569,152.30 : 2,351,482.85 = 893,839.10 : x
  2. Step 2: Convert to fraction form
    1,569,152.30/2,351,482.85 = 893,839.10/x
  3. Step 3: Cross multiply
    1,569,152.30x = 2,351,482.85 × 893,839.10
  4. Step 4: Simplify right side
    1,569,152.30x = 2,101,847,304,786.62
  5. Step 5: Solve for x
    x = 2,101,847,304,786.62/1,569,152.30
  6. Step 6: Final answer
    x = 1,339,479.48

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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.