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Finding the Fourth Proportional to 545,116.30, 817,710.90 and 185,281.90

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Solution

The fourth proportional to 545,116.30, 817,710.90 and 185,281.90 is: 277,935.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,116.30 : 817,710.90 = 185,281.90 : x
  2. Step 2: Convert to fraction form
    545,116.30/817,710.90 = 185,281.90/x
  3. Step 3: Cross multiply
    545,116.30x = 817,710.90 × 185,281.90
  4. Step 4: Simplify right side
    545,116.30x = 151,507,029,202.71
  5. Step 5: Solve for x
    x = 151,507,029,202.71/545,116.30
  6. Step 6: Final answer
    x = 277,935.24

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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.