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Finding the Fourth Proportional to 558,495.02, 770,726.52 and 303,848.03

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Solution

The fourth proportional to 558,495.02, 770,726.52 and 303,848.03 is: 419,312.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,495.02 : 770,726.52 = 303,848.03 : x
  2. Step 2: Convert to fraction form
    558,495.02/770,726.52 = 303,848.03/x
  3. Step 3: Cross multiply
    558,495.02x = 770,726.52 × 303,848.03
  4. Step 4: Simplify right side
    558,495.02x = 234,183,736,697.57
  5. Step 5: Solve for x
    x = 234,183,736,697.57/558,495.02
  6. Step 6: Final answer
    x = 419,312.13

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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.