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Finding the Fourth Proportional to 507,670.88, 700,585.88 and 281,316.38

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Solution

The fourth proportional to 507,670.88, 700,585.88 and 281,316.38 is: 388,216.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,670.88 : 700,585.88 = 281,316.38 : x
  2. Step 2: Convert to fraction form
    507,670.88/700,585.88 = 281,316.38/x
  3. Step 3: Cross multiply
    507,670.88x = 700,585.88 × 281,316.38
  4. Step 4: Simplify right side
    507,670.88x = 197,086,278,731.20
  5. Step 5: Solve for x
    x = 197,086,278,731.20/507,670.88
  6. Step 6: Final answer
    x = 388,216.63

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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.