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Finding the Fourth Proportional to 562,275.40, 843,413.10 and 508,037.80

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Solution

The fourth proportional to 562,275.40, 843,413.10 and 508,037.80 is: 762,056.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,275.40 : 843,413.10 = 508,037.80 : x
  2. Step 2: Convert to fraction form
    562,275.40/843,413.10 = 508,037.80/x
  3. Step 3: Cross multiply
    562,275.40x = 843,413.10 × 508,037.80
  4. Step 4: Simplify right side
    562,275.40x = 428,485,735,815.18
  5. Step 5: Solve for x
    x = 428,485,735,815.18/562,275.40
  6. Step 6: Final answer
    x = 762,056.70

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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.