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Finding the Fourth Proportional to 641,298.36, 884,776.82 and 369,360.82

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Solution

The fourth proportional to 641,298.36, 884,776.82 and 369,360.82 is: 509,594.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,298.36 : 884,776.82 = 369,360.82 : x
  2. Step 2: Convert to fraction form
    641,298.36/884,776.82 = 369,360.82/x
  3. Step 3: Cross multiply
    641,298.36x = 884,776.82 × 369,360.82
  4. Step 4: Simplify right side
    641,298.36x = 326,801,891,752.19
  5. Step 5: Solve for x
    x = 326,801,891,752.19/641,298.36
  6. Step 6: Final answer
    x = 509,594.15

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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.