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Finding the Fourth Proportional to 545,772.77, 818,746.64 and 230,276.15

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Solution

The fourth proportional to 545,772.77, 818,746.64 and 230,276.15 is: 345,451.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,772.77 : 818,746.64 = 230,276.15 : x
  2. Step 2: Convert to fraction form
    545,772.77/818,746.64 = 230,276.15/x
  3. Step 3: Cross multiply
    545,772.77x = 818,746.64 × 230,276.15
  4. Step 4: Simplify right side
    545,772.77x = 188,537,824,084.64
  5. Step 5: Solve for x
    x = 188,537,824,084.64/545,772.77
  6. Step 6: Final answer
    x = 345,451.14

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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.