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Finding the Fourth Proportional to 367,601.55, 507,430.40 and 357,489.39

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Solution

The fourth proportional to 367,601.55, 507,430.40 and 357,489.39 is: 493,471.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,601.55 : 507,430.40 = 357,489.39 : x
  2. Step 2: Convert to fraction form
    367,601.55/507,430.40 = 357,489.39/x
  3. Step 3: Cross multiply
    367,601.55x = 507,430.40 × 357,489.39
  4. Step 4: Simplify right side
    367,601.55x = 181,400,982,376.01
  5. Step 5: Solve for x
    x = 181,400,982,376.01/367,601.55
  6. Step 6: Final answer
    x = 493,471.76

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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.