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Finding the Fourth Proportional to 553,125.66, 763,339.25 and 335,341.13

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Solution

The fourth proportional to 553,125.66, 763,339.25 and 335,341.13 is: 462,786.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,125.66 : 763,339.25 = 335,341.13 : x
  2. Step 2: Convert to fraction form
    553,125.66/763,339.25 = 335,341.13/x
  3. Step 3: Cross multiply
    553,125.66x = 763,339.25 × 335,341.13
  4. Step 4: Simplify right side
    553,125.66x = 255,979,041,174.95
  5. Step 5: Solve for x
    x = 255,979,041,174.95/553,125.66
  6. Step 6: Final answer
    x = 462,786.41

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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.