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Finding the Fourth Proportional to 524,186.16, 784,996.20 and 243,783.60

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Solution

The fourth proportional to 524,186.16, 784,996.20 and 243,783.60 is: 365,078.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,186.16 : 784,996.20 = 243,783.60 : x
  2. Step 2: Convert to fraction form
    524,186.16/784,996.20 = 243,783.60/x
  3. Step 3: Cross multiply
    524,186.16x = 784,996.20 × 243,783.60
  4. Step 4: Simplify right side
    524,186.16x = 191,369,199,622.32
  5. Step 5: Solve for x
    x = 191,369,199,622.32/524,186.16
  6. Step 6: Final answer
    x = 365,078.70

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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.