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Finding the Fourth Proportional to 517,247.06, 713,693.99 and 302,345.55

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Solution

The fourth proportional to 517,247.06, 713,693.99 and 302,345.55 is: 417,174.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,247.06 : 713,693.99 = 302,345.55 : x
  2. Step 2: Convert to fraction form
    517,247.06/713,693.99 = 302,345.55/x
  3. Step 3: Cross multiply
    517,247.06x = 713,693.99 × 302,345.55
  4. Step 4: Simplify right side
    517,247.06x = 215,782,200,426.52
  5. Step 5: Solve for x
    x = 215,782,200,426.52/517,247.06
  6. Step 6: Final answer
    x = 417,174.34

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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.