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Finding the Fourth Proportional to 649,233.80, 972,684.30 and 555,921.80

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Solution

The fourth proportional to 649,233.80, 972,684.30 and 555,921.80 is: 832,883.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,233.80 : 972,684.30 = 555,921.80 : x
  2. Step 2: Convert to fraction form
    649,233.80/972,684.30 = 555,921.80/x
  3. Step 3: Cross multiply
    649,233.80x = 972,684.30 × 555,921.80
  4. Step 4: Simplify right side
    649,233.80x = 540,736,406,887.74
  5. Step 5: Solve for x
    x = 540,736,406,887.74/649,233.80
  6. Step 6: Final answer
    x = 832,883.94

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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.