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Finding the Fourth Proportional to 593,721.63, 890,806.61 and 357,230.39

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Solution

The fourth proportional to 593,721.63, 890,806.61 and 357,230.39 is: 535,980.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,721.63 : 890,806.61 = 357,230.39 : x
  2. Step 2: Convert to fraction form
    593,721.63/890,806.61 = 357,230.39/x
  3. Step 3: Cross multiply
    593,721.63x = 890,806.61 × 357,230.39
  4. Step 4: Simplify right side
    593,721.63x = 318,223,189,143.92
  5. Step 5: Solve for x
    x = 318,223,189,143.92/593,721.63
  6. Step 6: Final answer
    x = 535,980.45

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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.