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Finding the Fourth Proportional to 314,482.58, 434,410.53 and 251,263.70

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Solution

The fourth proportional to 314,482.58, 434,410.53 and 251,263.70 is: 347,083.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,482.58 : 434,410.53 = 251,263.70 : x
  2. Step 2: Convert to fraction form
    314,482.58/434,410.53 = 251,263.70/x
  3. Step 3: Cross multiply
    314,482.58x = 434,410.53 × 251,263.70
  4. Step 4: Simplify right side
    314,482.58x = 109,151,597,086.76
  5. Step 5: Solve for x
    x = 109,151,597,086.76/314,482.58
  6. Step 6: Final answer
    x = 347,083.13

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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.