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Finding the Fourth Proportional to 453,338.49, 625,632.02 and 262,413.39

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Solution

The fourth proportional to 453,338.49, 625,632.02 and 262,413.39 is: 362,144.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,338.49 : 625,632.02 = 262,413.39 : x
  2. Step 2: Convert to fraction form
    453,338.49/625,632.02 = 262,413.39/x
  3. Step 3: Cross multiply
    453,338.49x = 625,632.02 × 262,413.39
  4. Step 4: Simplify right side
    453,338.49x = 164,174,219,260.75
  5. Step 5: Solve for x
    x = 164,174,219,260.75/453,338.49
  6. Step 6: Final answer
    x = 362,144.89

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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.