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Finding the Fourth Proportional to 590,301.40, 887,420.40 and 503,696.20

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Solution

The fourth proportional to 590,301.40, 887,420.40 and 503,696.20 is: 757,223.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,301.40 : 887,420.40 = 503,696.20 : x
  2. Step 2: Convert to fraction form
    590,301.40/887,420.40 = 503,696.20/x
  3. Step 3: Cross multiply
    590,301.40x = 887,420.40 × 503,696.20
  4. Step 4: Simplify right side
    590,301.40x = 446,990,283,282.48
  5. Step 5: Solve for x
    x = 446,990,283,282.48/590,301.40
  6. Step 6: Final answer
    x = 757,223.82

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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.