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Finding the Fourth Proportional to 1,758,219, 2,426,342.22 and 953,403

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Solution

The fourth proportional to 1,758,219, 2,426,342.22 and 953,403 is: 1,315,696.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,758,219 : 2,426,342.22 = 953,403 : x
  2. Step 2: Convert to fraction form
    1,758,219/2,426,342.22 = 953,403/x
  3. Step 3: Cross multiply
    1,758,219x = 2,426,342.22 × 953,403
  4. Step 4: Simplify right side
    1,758,219x = 2,313,281,951,574.66
  5. Step 5: Solve for x
    x = 2,313,281,951,574.66/1,758,219
  6. Step 6: Final answer
    x = 1,315,696.14

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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.