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Finding the Fourth Proportional to 551,491.70, 824,697.92 and 524,587.48

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Solution

The fourth proportional to 551,491.70, 824,697.92 and 524,587.48 is: 784,465.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,491.70 : 824,697.92 = 524,587.48 : x
  2. Step 2: Convert to fraction form
    551,491.70/824,697.92 = 524,587.48/x
  3. Step 3: Cross multiply
    551,491.70x = 824,697.92 × 524,587.48
  4. Step 4: Simplify right side
    551,491.70x = 432,626,202,863.77
  5. Step 5: Solve for x
    x = 432,626,202,863.77/551,491.70
  6. Step 6: Final answer
    x = 784,465.49

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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.