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Finding the Fourth Proportional to 294,685.66, 442,031.64 and 235,895.05

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Solution

The fourth proportional to 294,685.66, 442,031.64 and 235,895.05 is: 353,845.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,685.66 : 442,031.64 = 235,895.05 : x
  2. Step 2: Convert to fraction form
    294,685.66/442,031.64 = 235,895.05/x
  3. Step 3: Cross multiply
    294,685.66x = 442,031.64 × 235,895.05
  4. Step 4: Simplify right side
    294,685.66x = 104,273,075,819.38
  5. Step 5: Solve for x
    x = 104,273,075,819.38/294,685.66
  6. Step 6: Final answer
    x = 353,845.10

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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.