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Finding the Fourth Proportional to 369,514.88, 554,282.64 and 120,196.88

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Solution

The fourth proportional to 369,514.88, 554,282.64 and 120,196.88 is: 180,298.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,514.88 : 554,282.64 = 120,196.88 : x
  2. Step 2: Convert to fraction form
    369,514.88/554,282.64 = 120,196.88/x
  3. Step 3: Cross multiply
    369,514.88x = 554,282.64 × 120,196.88
  4. Step 4: Simplify right side
    369,514.88x = 66,623,043,966.16
  5. Step 5: Solve for x
    x = 66,623,043,966.16/369,514.88
  6. Step 6: Final answer
    x = 180,298.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.