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Finding the Fourth Proportional to 588,569, 812,169.06 and 330,386.84

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Solution

The fourth proportional to 588,569, 812,169.06 and 330,386.84 is: 455,902.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,569 : 812,169.06 = 330,386.84 : x
  2. Step 2: Convert to fraction form
    588,569/812,169.06 = 330,386.84/x
  3. Step 3: Cross multiply
    588,569x = 812,169.06 × 330,386.84
  4. Step 4: Simplify right side
    588,569x = 268,329,969,279.17
  5. Step 5: Solve for x
    x = 268,329,969,279.17/588,569
  6. Step 6: Final answer
    x = 455,902.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.