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Finding the Fourth Proportional to 242,890.80, 365,113.80 and 173,252.40

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Solution

The fourth proportional to 242,890.80, 365,113.80 and 173,252.40 is: 260,433.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,890.80 : 365,113.80 = 173,252.40 : x
  2. Step 2: Convert to fraction form
    242,890.80/365,113.80 = 173,252.40/x
  3. Step 3: Cross multiply
    242,890.80x = 365,113.80 × 173,252.40
  4. Step 4: Simplify right side
    242,890.80x = 63,256,842,123.12
  5. Step 5: Solve for x
    x = 63,256,842,123.12/242,890.80
  6. Step 6: Final answer
    x = 260,433.26

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1.5x scale

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.