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Finding the Fourth Proportional to 944,358, 1,303,214.04 and 520,422

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Solution

The fourth proportional to 944,358, 1,303,214.04 and 520,422 is: 718,182.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    944,358 : 1,303,214.04 = 520,422 : x
  2. Step 2: Convert to fraction form
    944,358/1,303,214.04 = 520,422/x
  3. Step 3: Cross multiply
    944,358x = 1,303,214.04 × 520,422
  4. Step 4: Simplify right side
    944,358x = 678,221,257,124.88
  5. Step 5: Solve for x
    x = 678,221,257,124.88/944,358
  6. Step 6: Final answer
    x = 718,182.36

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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.