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Finding the Fourth Proportional to 308,841.60, 463,262.40 and 109,160.40

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Solution

The fourth proportional to 308,841.60, 463,262.40 and 109,160.40 is: 163,740.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,841.60 : 463,262.40 = 109,160.40 : x
  2. Step 2: Convert to fraction form
    308,841.60/463,262.40 = 109,160.40/x
  3. Step 3: Cross multiply
    308,841.60x = 463,262.40 × 109,160.40
  4. Step 4: Simplify right side
    308,841.60x = 50,569,908,888.96
  5. Step 5: Solve for x
    x = 50,569,908,888.96/308,841.60
  6. Step 6: Final answer
    x = 163,740.60

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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.