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Finding the Fourth Proportional to 531,437.28, 797,535 and 294,969.12

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Solution

The fourth proportional to 531,437.28, 797,535 and 294,969.12 is: 442,664.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,437.28 : 797,535 = 294,969.12 : x
  2. Step 2: Convert to fraction form
    531,437.28/797,535 = 294,969.12/x
  3. Step 3: Cross multiply
    531,437.28x = 797,535 × 294,969.12
  4. Step 4: Simplify right side
    531,437.28x = 235,248,197,119.20
  5. Step 5: Solve for x
    x = 235,248,197,119.20/531,437.28
  6. Step 6: Final answer
    x = 442,664.08

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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.