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Finding the Fourth Proportional to 975,093.63, 1,345,698 and 545,413.74

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Solution

The fourth proportional to 975,093.63, 1,345,698 and 545,413.74 is: 752,709.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,093.63 : 1,345,698 = 545,413.74 : x
  2. Step 2: Convert to fraction form
    975,093.63/1,345,698 = 545,413.74/x
  3. Step 3: Cross multiply
    975,093.63x = 1,345,698 × 545,413.74
  4. Step 4: Simplify right side
    975,093.63x = 733,962,179,090.52
  5. Step 5: Solve for x
    x = 733,962,179,090.52/975,093.63
  6. Step 6: Final answer
    x = 752,709.44

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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.