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Finding the Fourth Proportional to 442,798.35, 664,148.30 and 158,477.40

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Solution

The fourth proportional to 442,798.35, 664,148.30 and 158,477.40 is: 237,698.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,798.35 : 664,148.30 = 158,477.40 : x
  2. Step 2: Convert to fraction form
    442,798.35/664,148.30 = 158,477.40/x
  3. Step 3: Cross multiply
    442,798.35x = 664,148.30 × 158,477.40
  4. Step 4: Simplify right side
    442,798.35x = 105,252,495,006.03
  5. Step 5: Solve for x
    x = 105,252,495,006.03/442,798.35
  6. Step 6: Final answer
    x = 237,698.48

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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.