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Finding the Fourth Proportional to 334,865, 462,113.88 and 183,971.72

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Solution

The fourth proportional to 334,865, 462,113.88 and 183,971.72 is: 253,881.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,865 : 462,113.88 = 183,971.72 : x
  2. Step 2: Convert to fraction form
    334,865/462,113.88 = 183,971.72/x
  3. Step 3: Cross multiply
    334,865x = 462,113.88 × 183,971.72
  4. Step 4: Simplify right side
    334,865x = 85,015,885,339.47
  5. Step 5: Solve for x
    x = 85,015,885,339.47/334,865
  6. Step 6: Final answer
    x = 253,881.07

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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.