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Finding the Fourth Proportional to 663,055.94, 994,590.84 and 530,777.06

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Solution

The fourth proportional to 663,055.94, 994,590.84 and 530,777.06 is: 796,171.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,055.94 : 994,590.84 = 530,777.06 : x
  2. Step 2: Convert to fraction form
    663,055.94/994,590.84 = 530,777.06/x
  3. Step 3: Cross multiply
    663,055.94x = 994,590.84 × 530,777.06
  4. Step 4: Simplify right side
    663,055.94x = 527,905,996,985.18
  5. Step 5: Solve for x
    x = 527,905,996,985.18/663,055.94
  6. Step 6: Final answer
    x = 796,171.14

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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.