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Finding the Fourth Proportional to 429,594.78, 592,774.90 and 248,271.70

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Solution

The fourth proportional to 429,594.78, 592,774.90 and 248,271.70 is: 342,576.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,594.78 : 592,774.90 = 248,271.70 : x
  2. Step 2: Convert to fraction form
    429,594.78/592,774.90 = 248,271.70/x
  3. Step 3: Cross multiply
    429,594.78x = 592,774.90 × 248,271.70
  4. Step 4: Simplify right side
    429,594.78x = 147,169,227,935.10
  5. Step 5: Solve for x
    x = 147,169,227,935.10/429,594.78
  6. Step 6: Final answer
    x = 342,576.85

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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.