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Finding the Fourth Proportional to 367,602.30, 551,111.85 and 201,390.30

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Solution

The fourth proportional to 367,602.30, 551,111.85 and 201,390.30 is: 301,925.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,602.30 : 551,111.85 = 201,390.30 : x
  2. Step 2: Convert to fraction form
    367,602.30/551,111.85 = 201,390.30/x
  3. Step 3: Cross multiply
    367,602.30x = 551,111.85 × 201,390.30
  4. Step 4: Simplify right side
    367,602.30x = 110,988,580,805.06
  5. Step 5: Solve for x
    x = 110,988,580,805.06/367,602.30
  6. Step 6: Final answer
    x = 301,925.70

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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.