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Finding the Fourth Proportional to 434,603.17, 651,740.91 and 181,901.17

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Solution

The fourth proportional to 434,603.17, 651,740.91 and 181,901.17 is: 272,783.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,603.17 : 651,740.91 = 181,901.17 : x
  2. Step 2: Convert to fraction form
    434,603.17/651,740.91 = 181,901.17/x
  3. Step 3: Cross multiply
    434,603.17x = 651,740.91 × 181,901.17
  4. Step 4: Simplify right side
    434,603.17x = 118,552,434,065.87
  5. Step 5: Solve for x
    x = 118,552,434,065.87/434,603.17
  6. Step 6: Final answer
    x = 272,783.18

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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.