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Finding the Fourth Proportional to 434,017.49, 651,019.55 and 118,473.48

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Solution

The fourth proportional to 434,017.49, 651,019.55 and 118,473.48 is: 177,708.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,017.49 : 651,019.55 = 118,473.48 : x
  2. Step 2: Convert to fraction form
    434,017.49/651,019.55 = 118,473.48/x
  3. Step 3: Cross multiply
    434,017.49x = 651,019.55 × 118,473.48
  4. Step 4: Simplify right side
    434,017.49x = 77,128,551,044.17
  5. Step 5: Solve for x
    x = 77,128,551,044.17/434,017.49
  6. Step 6: Final answer
    x = 177,708.40

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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.