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Finding the Fourth Proportional to 434,681.92, 651,952.94 and 119,065.04

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Solution

The fourth proportional to 434,681.92, 651,952.94 and 119,065.04 is: 178,578.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,681.92 : 651,952.94 = 119,065.04 : x
  2. Step 2: Convert to fraction form
    434,681.92/651,952.94 = 119,065.04/x
  3. Step 3: Cross multiply
    434,681.92x = 651,952.94 × 119,065.04
  4. Step 4: Simplify right side
    434,681.92x = 77,624,802,879.22
  5. Step 5: Solve for x
    x = 77,624,802,879.22/434,681.92
  6. Step 6: Final answer
    x = 178,578.40

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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.