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Finding the Fourth Proportional to 499,099.02, 688,677.03 and 284,243.10

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Solution

The fourth proportional to 499,099.02, 688,677.03 and 284,243.10 is: 392,210.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,099.02 : 688,677.03 = 284,243.10 : x
  2. Step 2: Convert to fraction form
    499,099.02/688,677.03 = 284,243.10/x
  3. Step 3: Cross multiply
    499,099.02x = 688,677.03 × 284,243.10
  4. Step 4: Simplify right side
    499,099.02x = 195,751,693,905.99
  5. Step 5: Solve for x
    x = 195,751,693,905.99/499,099.02
  6. Step 6: Final answer
    x = 392,210.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.