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Finding the Fourth Proportional to 499,266.70, 748,900.05 and 475,938.70

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Solution

The fourth proportional to 499,266.70, 748,900.05 and 475,938.70 is: 713,908.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,266.70 : 748,900.05 = 475,938.70 : x
  2. Step 2: Convert to fraction form
    499,266.70/748,900.05 = 475,938.70/x
  3. Step 3: Cross multiply
    499,266.70x = 748,900.05 × 475,938.70
  4. Step 4: Simplify right side
    499,266.70x = 356,430,516,226.94
  5. Step 5: Solve for x
    x = 356,430,516,226.94/499,266.70
  6. Step 6: Final answer
    x = 713,908.05

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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.