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Finding the Fourth Proportional to 886,762.62, 1,223,294.00 and 524,011.01

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Solution

The fourth proportional to 886,762.62, 1,223,294.00 and 524,011.01 is: 722,876.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,762.62 : 1,223,294.00 = 524,011.01 : x
  2. Step 2: Convert to fraction form
    886,762.62/1,223,294.00 = 524,011.01/x
  3. Step 3: Cross multiply
    886,762.62x = 1,223,294.00 × 524,011.01
  4. Step 4: Simplify right side
    886,762.62x = 641,019,515,730.42
  5. Step 5: Solve for x
    x = 641,019,515,730.42/886,762.62
  6. Step 6: Final answer
    x = 722,876.11

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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.