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Finding the Fourth Proportional to 295,312.40, 442,968.60 and 195,585.20

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Solution

The fourth proportional to 295,312.40, 442,968.60 and 195,585.20 is: 293,377.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,312.40 : 442,968.60 = 195,585.20 : x
  2. Step 2: Convert to fraction form
    295,312.40/442,968.60 = 195,585.20/x
  3. Step 3: Cross multiply
    295,312.40x = 442,968.60 × 195,585.20
  4. Step 4: Simplify right side
    295,312.40x = 86,638,102,224.72
  5. Step 5: Solve for x
    x = 86,638,102,224.72/295,312.40
  6. Step 6: Final answer
    x = 293,377.80

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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.