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Finding the Fourth Proportional to 338,196.40, 466,710.84 and 187,293.28

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Solution

The fourth proportional to 338,196.40, 466,710.84 and 187,293.28 is: 258,464.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,196.40 : 466,710.84 = 187,293.28 : x
  2. Step 2: Convert to fraction form
    338,196.40/466,710.84 = 187,293.28/x
  3. Step 3: Cross multiply
    338,196.40x = 466,710.84 × 187,293.28
  4. Step 4: Simplify right side
    338,196.40x = 87,411,804,035.16
  5. Step 5: Solve for x
    x = 87,411,804,035.16/338,196.40
  6. Step 6: Final answer
    x = 258,464.62

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1.5x scale

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.