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Finding the Fourth Proportional to 1,046,575.30, 1,569,862.95 and 836,623.30

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Solution

The fourth proportional to 1,046,575.30, 1,569,862.95 and 836,623.30 is: 1,254,934.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,046,575.30 : 1,569,862.95 = 836,623.30 : x
  2. Step 2: Convert to fraction form
    1,046,575.30/1,569,862.95 = 836,623.30/x
  3. Step 3: Cross multiply
    1,046,575.30x = 1,569,862.95 × 836,623.30
  4. Step 4: Simplify right side
    1,046,575.30x = 1,313,383,921,776.74
  5. Step 5: Solve for x
    x = 1,313,383,921,776.74/1,046,575.30
  6. Step 6: Final answer
    x = 1,254,934.95

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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.