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Finding the Fourth Proportional to 984,679.59, 1,477,018.17 and 353,594.01

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Solution

The fourth proportional to 984,679.59, 1,477,018.17 and 353,594.01 is: 530,390.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,679.59 : 1,477,018.17 = 353,594.01 : x
  2. Step 2: Convert to fraction form
    984,679.59/1,477,018.17 = 353,594.01/x
  3. Step 3: Cross multiply
    984,679.59x = 1,477,018.17 × 353,594.01
  4. Step 4: Simplify right side
    984,679.59x = 522,264,777,573.16
  5. Step 5: Solve for x
    x = 522,264,777,573.16/984,679.59
  6. Step 6: Final answer
    x = 530,390.58

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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.