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Finding the Fourth Proportional to 476,270.64, 714,032.64 and 248,014.80

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Solution

The fourth proportional to 476,270.64, 714,032.64 and 248,014.80 is: 371,827.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,270.64 : 714,032.64 = 248,014.80 : x
  2. Step 2: Convert to fraction form
    476,270.64/714,032.64 = 248,014.80/x
  3. Step 3: Cross multiply
    476,270.64x = 714,032.64 × 248,014.80
  4. Step 4: Simplify right side
    476,270.64x = 177,090,662,403.07
  5. Step 5: Solve for x
    x = 177,090,662,403.07/476,270.64
  6. Step 6: Final answer
    x = 371,827.80

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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.