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Finding the Fourth Proportional to 403,402.20, 604,181.70 and 237,514.20

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Solution

The fourth proportional to 403,402.20, 604,181.70 and 237,514.20 is: 355,728.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,402.20 : 604,181.70 = 237,514.20 : x
  2. Step 2: Convert to fraction form
    403,402.20/604,181.70 = 237,514.20/x
  3. Step 3: Cross multiply
    403,402.20x = 604,181.70 × 237,514.20
  4. Step 4: Simplify right side
    403,402.20x = 143,501,733,130.14
  5. Step 5: Solve for x
    x = 143,501,733,130.14/403,402.20
  6. Step 6: Final answer
    x = 355,728.68

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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.