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Finding the Fourth Proportional to 243,465.60, 365,812.80 and 154,761.60

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Solution

The fourth proportional to 243,465.60, 365,812.80 and 154,761.60 is: 232,532.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,465.60 : 365,812.80 = 154,761.60 : x
  2. Step 2: Convert to fraction form
    243,465.60/365,812.80 = 154,761.60/x
  3. Step 3: Cross multiply
    243,465.60x = 365,812.80 × 154,761.60
  4. Step 4: Simplify right side
    243,465.60x = 56,613,774,228.48
  5. Step 5: Solve for x
    x = 56,613,774,228.48/243,465.60
  6. Step 6: Final answer
    x = 232,532.95

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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.