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Finding the Fourth Proportional to 702,151.54, 968,963.65 and 379,860.64

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Solution

The fourth proportional to 702,151.54, 968,963.65 and 379,860.64 is: 524,204.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,151.54 : 968,963.65 = 379,860.64 : x
  2. Step 2: Convert to fraction form
    702,151.54/968,963.65 = 379,860.64/x
  3. Step 3: Cross multiply
    702,151.54x = 968,963.65 × 379,860.64
  4. Step 4: Simplify right side
    702,151.54x = 368,071,152,225.74
  5. Step 5: Solve for x
    x = 368,071,152,225.74/702,151.54
  6. Step 6: Final answer
    x = 524,204.72

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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.