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Finding the Fourth Proportional to 434,588.40, 651,782.93 and 119,069.91

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Solution

The fourth proportional to 434,588.40, 651,782.93 and 119,069.91 is: 178,577.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,588.40 : 651,782.93 = 119,069.91 : x
  2. Step 2: Convert to fraction form
    434,588.40/651,782.93 = 119,069.91/x
  3. Step 3: Cross multiply
    434,588.40x = 651,782.93 × 119,069.91
  4. Step 4: Simplify right side
    434,588.40x = 77,607,734,219.29
  5. Step 5: Solve for x
    x = 77,607,734,219.29/434,588.40
  6. Step 6: Final answer
    x = 178,577.56

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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.