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Finding the Fourth Proportional to 558,522.19, 770,698.93 and 313,450.74

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Solution

The fourth proportional to 558,522.19, 770,698.93 and 313,450.74 is: 432,527.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,522.19 : 770,698.93 = 313,450.74 : x
  2. Step 2: Convert to fraction form
    558,522.19/770,698.93 = 313,450.74/x
  3. Step 3: Cross multiply
    558,522.19x = 770,698.93 × 313,450.74
  4. Step 4: Simplify right side
    558,522.19x = 241,576,149,925.71
  5. Step 5: Solve for x
    x = 241,576,149,925.71/558,522.19
  6. Step 6: Final answer
    x = 432,527.40

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.