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Finding the Fourth Proportional to 661,750.56, 992,327.76 and 188,328.24

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Solution

The fourth proportional to 661,750.56, 992,327.76 and 188,328.24 is: 282,407.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,750.56 : 992,327.76 = 188,328.24 : x
  2. Step 2: Convert to fraction form
    661,750.56/992,327.76 = 188,328.24/x
  3. Step 3: Cross multiply
    661,750.56x = 992,327.76 × 188,328.24
  4. Step 4: Simplify right side
    661,750.56x = 186,883,340,543.94
  5. Step 5: Solve for x
    x = 186,883,340,543.94/661,750.56
  6. Step 6: Final answer
    x = 282,407.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.