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Finding the Fourth Proportional to 554,710.66, 765,500.14 and 300,061.24

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Solution

The fourth proportional to 554,710.66, 765,500.14 and 300,061.24 is: 414,084.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,710.66 : 765,500.14 = 300,061.24 : x
  2. Step 2: Convert to fraction form
    554,710.66/765,500.14 = 300,061.24/x
  3. Step 3: Cross multiply
    554,710.66x = 765,500.14 × 300,061.24
  4. Step 4: Simplify right side
    554,710.66x = 229,696,921,228.57
  5. Step 5: Solve for x
    x = 229,696,921,228.57/554,710.66
  6. Step 6: Final answer
    x = 414,084.20

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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.