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Finding the Fourth Proportional to 648,704.85, 973,054.98 and 175,390.13

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Solution

The fourth proportional to 648,704.85, 973,054.98 and 175,390.13 is: 263,084.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,704.85 : 973,054.98 = 175,390.13 : x
  2. Step 2: Convert to fraction form
    648,704.85/973,054.98 = 175,390.13/x
  3. Step 3: Cross multiply
    648,704.85x = 973,054.98 × 175,390.13
  4. Step 4: Simplify right side
    648,704.85x = 170,664,234,574.07
  5. Step 5: Solve for x
    x = 170,664,234,574.07/648,704.85
  6. Step 6: Final answer
    x = 263,084.57

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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.