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Finding the Fourth Proportional to 612,735.29, 845,229.57 and 367,656.70

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Solution

The fourth proportional to 612,735.29, 845,229.57 and 367,656.70 is: 507,159.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,735.29 : 845,229.57 = 367,656.70 : x
  2. Step 2: Convert to fraction form
    612,735.29/845,229.57 = 367,656.70/x
  3. Step 3: Cross multiply
    612,735.29x = 845,229.57 × 367,656.70
  4. Step 4: Simplify right side
    612,735.29x = 310,754,314,448.62
  5. Step 5: Solve for x
    x = 310,754,314,448.62/612,735.29
  6. Step 6: Final answer
    x = 507,159.16

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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.