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Finding the Fourth Proportional to 663,061.93, 994,599.86 and 530,783.06

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Solution

The fourth proportional to 663,061.93, 994,599.86 and 530,783.06 is: 796,180.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,061.93 : 994,599.86 = 530,783.06 : x
  2. Step 2: Convert to fraction form
    663,061.93/994,599.86 = 530,783.06/x
  3. Step 3: Cross multiply
    663,061.93x = 994,599.86 × 530,783.06
  4. Step 4: Simplify right side
    663,061.93x = 527,916,749,539.46
  5. Step 5: Solve for x
    x = 527,916,749,539.46/663,061.93
  6. Step 6: Final answer
    x = 796,180.16

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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.