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Finding the Fourth Proportional to 504,803.23, 697,535.65 and 383,734.33

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Solution

The fourth proportional to 504,803.23, 697,535.65 and 383,734.33 is: 530,242.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,803.23 : 697,535.65 = 383,734.33 : x
  2. Step 2: Convert to fraction form
    504,803.23/697,535.65 = 383,734.33/x
  3. Step 3: Cross multiply
    504,803.23x = 697,535.65 × 383,734.33
  4. Step 4: Simplify right side
    504,803.23x = 267,668,369,897.52
  5. Step 5: Solve for x
    x = 267,668,369,897.52/504,803.23
  6. Step 6: Final answer
    x = 530,242.98

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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.