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Finding the Fourth Proportional to 410,984.82, 564,981.12 and 353,413.26

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Solution

The fourth proportional to 410,984.82, 564,981.12 and 353,413.26 is: 485,837.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,984.82 : 564,981.12 = 353,413.26 : x
  2. Step 2: Convert to fraction form
    410,984.82/564,981.12 = 353,413.26/x
  3. Step 3: Cross multiply
    410,984.82x = 564,981.12 × 353,413.26
  4. Step 4: Simplify right side
    410,984.82x = 199,671,819,457.65
  5. Step 5: Solve for x
    x = 199,671,819,457.65/410,984.82
  6. Step 6: Final answer
    x = 485,837.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.