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Finding the Fourth Proportional to 824,020.40, 1,235,549.40 and 350,462

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Solution

The fourth proportional to 824,020.40, 1,235,549.40 and 350,462 is: 525,488.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,020.40 : 1,235,549.40 = 350,462 : x
  2. Step 2: Convert to fraction form
    824,020.40/1,235,549.40 = 350,462/x
  3. Step 3: Cross multiply
    824,020.40x = 1,235,549.40 × 350,462
  4. Step 4: Simplify right side
    824,020.40x = 433,013,113,822.80
  5. Step 5: Solve for x
    x = 433,013,113,822.80/824,020.40
  6. Step 6: Final answer
    x = 525,488.34

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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.