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Finding the Fourth Proportional to 662,069, 913,655.22 and 360,265.16

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Solution

The fourth proportional to 662,069, 913,655.22 and 360,265.16 is: 497,165.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,069 : 913,655.22 = 360,265.16 : x
  2. Step 2: Convert to fraction form
    662,069/913,655.22 = 360,265.16/x
  3. Step 3: Cross multiply
    662,069x = 913,655.22 × 360,265.16
  4. Step 4: Simplify right side
    662,069x = 329,158,144,018.14
  5. Step 5: Solve for x
    x = 329,158,144,018.14/662,069
  6. Step 6: Final answer
    x = 497,165.92

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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.