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Finding the Fourth Proportional to 586,544, 809,422.08 and 344,853.76

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Solution

The fourth proportional to 586,544, 809,422.08 and 344,853.76 is: 475,893.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,544 : 809,422.08 = 344,853.76 : x
  2. Step 2: Convert to fraction form
    586,544/809,422.08 = 344,853.76/x
  3. Step 3: Cross multiply
    586,544x = 809,422.08 × 344,853.76
  4. Step 4: Simplify right side
    586,544x = 279,132,247,715.02
  5. Step 5: Solve for x
    x = 279,132,247,715.02/586,544
  6. Step 6: Final answer
    x = 475,893.11

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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.