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Finding the Fourth Proportional to 884,800.88, 1,221,023.04 and 502,827.20

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Solution

The fourth proportional to 884,800.88, 1,221,023.04 and 502,827.20 is: 693,900.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,800.88 : 1,221,023.04 = 502,827.20 : x
  2. Step 2: Convert to fraction form
    884,800.88/1,221,023.04 = 502,827.20/x
  3. Step 3: Cross multiply
    884,800.88x = 1,221,023.04 × 502,827.20
  4. Step 4: Simplify right side
    884,800.88x = 613,963,596,338.69
  5. Step 5: Solve for x
    x = 613,963,596,338.69/884,800.88
  6. Step 6: Final answer
    x = 693,900.30

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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.