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Finding the Fourth Proportional to 884,410.86, 1,220,491.02 and 502,458.60

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Solution

The fourth proportional to 884,410.86, 1,220,491.02 and 502,458.60 is: 693,395.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,410.86 : 1,220,491.02 = 502,458.60 : x
  2. Step 2: Convert to fraction form
    884,410.86/1,220,491.02 = 502,458.60/x
  3. Step 3: Cross multiply
    884,410.86x = 1,220,491.02 × 502,458.60
  4. Step 4: Simplify right side
    884,410.86x = 613,246,209,221.77
  5. Step 5: Solve for x
    x = 613,246,209,221.77/884,410.86
  6. Step 6: Final answer
    x = 693,395.16

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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.