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Finding the Fourth Proportional to 368,734.77, 508,863.46 and 207,595.53

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Solution

The fourth proportional to 368,734.77, 508,863.46 and 207,595.53 is: 286,487.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,734.77 : 508,863.46 = 207,595.53 : x
  2. Step 2: Convert to fraction form
    368,734.77/508,863.46 = 207,595.53/x
  3. Step 3: Cross multiply
    368,734.77x = 508,863.46 × 207,595.53
  4. Step 4: Simplify right side
    368,734.77x = 105,637,779,676.33
  5. Step 5: Solve for x
    x = 105,637,779,676.33/368,734.77
  6. Step 6: Final answer
    x = 286,487.17

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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.