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Finding the Fourth Proportional to 243,460.60, 365,805.30 and 154,756.60

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Solution

The fourth proportional to 243,460.60, 365,805.30 and 154,756.60 is: 232,525.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,460.60 : 365,805.30 = 154,756.60 : x
  2. Step 2: Convert to fraction form
    243,460.60/365,805.30 = 154,756.60/x
  3. Step 3: Cross multiply
    243,460.60x = 365,805.30 × 154,756.60
  4. Step 4: Simplify right side
    243,460.60x = 56,610,784,489.98
  5. Step 5: Solve for x
    x = 56,610,784,489.98/243,460.60
  6. Step 6: Final answer
    x = 232,525.45

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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.