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Finding the Fourth Proportional to 658,622.24, 909,047.76 and 372,308.48

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Solution

The fourth proportional to 658,622.24, 909,047.76 and 372,308.48 is: 513,869.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,622.24 : 909,047.76 = 372,308.48 : x
  2. Step 2: Convert to fraction form
    658,622.24/909,047.76 = 372,308.48/x
  3. Step 3: Cross multiply
    658,622.24x = 909,047.76 × 372,308.48
  4. Step 4: Simplify right side
    658,622.24x = 338,446,189,773.01
  5. Step 5: Solve for x
    x = 338,446,189,773.01/658,622.24
  6. Step 6: Final answer
    x = 513,869.97

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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.