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Finding the Fourth Proportional to 553,898.99, 830,937 and 234,053.88

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Solution

The fourth proportional to 553,898.99, 830,937 and 234,053.88 is: 351,118.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,898.99 : 830,937 = 234,053.88 : x
  2. Step 2: Convert to fraction form
    553,898.99/830,937 = 234,053.88/x
  3. Step 3: Cross multiply
    553,898.99x = 830,937 × 234,053.88
  4. Step 4: Simplify right side
    553,898.99x = 194,484,028,885.56
  5. Step 5: Solve for x
    x = 194,484,028,885.56/553,898.99
  6. Step 6: Final answer
    x = 351,118.23

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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.