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Finding the Fourth Proportional to 524,239.28, 785,783.31 and 299,108.89

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Solution

The fourth proportional to 524,239.28, 785,783.31 and 299,108.89 is: 448,334.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,239.28 : 785,783.31 = 299,108.89 : x
  2. Step 2: Convert to fraction form
    524,239.28/785,783.31 = 299,108.89/x
  3. Step 3: Cross multiply
    524,239.28x = 785,783.31 × 299,108.89
  4. Step 4: Simplify right side
    524,239.28x = 235,034,773,634.63
  5. Step 5: Solve for x
    x = 235,034,773,634.63/524,239.28
  6. Step 6: Final answer
    x = 448,334.92

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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.