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Finding the Fourth Proportional to 554,995.87, 830,120.86 and 463,253.02

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Solution

The fourth proportional to 554,995.87, 830,120.86 and 463,253.02 is: 692,898.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,995.87 : 830,120.86 = 463,253.02 : x
  2. Step 2: Convert to fraction form
    554,995.87/830,120.86 = 463,253.02/x
  3. Step 3: Cross multiply
    554,995.87x = 830,120.86 × 463,253.02
  4. Step 4: Simplify right side
    554,995.87x = 384,555,995,360.00
  5. Step 5: Solve for x
    x = 384,555,995,360.00/554,995.87
  6. Step 6: Final answer
    x = 692,898.84

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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.