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Finding the Fourth Proportional to 608,907.90, 840,630.69 and 367,251.42

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Solution

The fourth proportional to 608,907.90, 840,630.69 and 367,251.42 is: 507,010.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,907.90 : 840,630.69 = 367,251.42 : x
  2. Step 2: Convert to fraction form
    608,907.90/840,630.69 = 367,251.42/x
  3. Step 3: Cross multiply
    608,907.90x = 840,630.69 × 367,251.42
  4. Step 4: Simplify right side
    608,907.90x = 308,722,814,598.08
  5. Step 5: Solve for x
    x = 308,722,814,598.08/608,907.90
  6. Step 6: Final answer
    x = 507,010.69

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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.