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Finding the Fourth Proportional to 635,894.64, 877,583.43 and 364,047.81

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Solution

The fourth proportional to 635,894.64, 877,583.43 and 364,047.81 is: 502,413.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,894.64 : 877,583.43 = 364,047.81 : x
  2. Step 2: Convert to fraction form
    635,894.64/877,583.43 = 364,047.81/x
  3. Step 3: Cross multiply
    635,894.64x = 877,583.43 × 364,047.81
  4. Step 4: Simplify right side
    635,894.64x = 319,482,325,783.79
  5. Step 5: Solve for x
    x = 319,482,325,783.79/635,894.64
  6. Step 6: Final answer
    x = 502,413.93

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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.