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Finding the Fourth Proportional to 342,860.64, 473,037.72 and 222,094.50

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Solution

The fourth proportional to 342,860.64, 473,037.72 and 222,094.50 is: 306,419.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,860.64 : 473,037.72 = 222,094.50 : x
  2. Step 2: Convert to fraction form
    342,860.64/473,037.72 = 222,094.50/x
  3. Step 3: Cross multiply
    342,860.64x = 473,037.72 × 222,094.50
  4. Step 4: Simplify right side
    342,860.64x = 105,059,075,904.54
  5. Step 5: Solve for x
    x = 105,059,075,904.54/342,860.64
  6. Step 6: Final answer
    x = 306,419.18

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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.