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Finding the Fourth Proportional to 348,056.60, 522,084.90 and 243,080.60

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Solution

The fourth proportional to 348,056.60, 522,084.90 and 243,080.60 is: 364,620.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,056.60 : 522,084.90 = 243,080.60 : x
  2. Step 2: Convert to fraction form
    348,056.60/522,084.90 = 243,080.60/x
  3. Step 3: Cross multiply
    348,056.60x = 522,084.90 × 243,080.60
  4. Step 4: Simplify right side
    348,056.60x = 126,908,710,742.94
  5. Step 5: Solve for x
    x = 126,908,710,742.94/348,056.60
  6. Step 6: Final answer
    x = 364,620.90

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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.