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Finding the Fourth Proportional to 434,841.60, 652,192.48 and 119,225.28

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Solution

The fourth proportional to 434,841.60, 652,192.48 and 119,225.28 is: 178,818.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,841.60 : 652,192.48 = 119,225.28 : x
  2. Step 2: Convert to fraction form
    434,841.60/652,192.48 = 119,225.28/x
  3. Step 3: Cross multiply
    434,841.60x = 652,192.48 × 119,225.28
  4. Step 4: Simplify right side
    434,841.60x = 77,757,831,041.89
  5. Step 5: Solve for x
    x = 77,757,831,041.89/434,841.60
  6. Step 6: Final answer
    x = 178,818.75

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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.