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Finding the Fourth Proportional to 654,413.50, 903,101.91 and 364,048.25

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Solution

The fourth proportional to 654,413.50, 903,101.91 and 364,048.25 is: 502,392.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,413.50 : 903,101.91 = 364,048.25 : x
  2. Step 2: Convert to fraction form
    654,413.50/903,101.91 = 364,048.25/x
  3. Step 3: Cross multiply
    654,413.50x = 903,101.91 × 364,048.25
  4. Step 4: Simplify right side
    654,413.50x = 328,772,669,907.16
  5. Step 5: Solve for x
    x = 328,772,669,907.16/654,413.50
  6. Step 6: Final answer
    x = 502,392.86

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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.