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Finding the Fourth Proportional to 704,340.53, 971,983.04 and 382,045.98

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Solution

The fourth proportional to 704,340.53, 971,983.04 and 382,045.98 is: 527,219.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,340.53 : 971,983.04 = 382,045.98 : x
  2. Step 2: Convert to fraction form
    704,340.53/971,983.04 = 382,045.98/x
  3. Step 3: Cross multiply
    704,340.53x = 971,983.04 × 382,045.98
  4. Step 4: Simplify right side
    704,340.53x = 371,342,216,943.89
  5. Step 5: Solve for x
    x = 371,342,216,943.89/704,340.53
  6. Step 6: Final answer
    x = 527,219.72

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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.