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Finding the Fourth Proportional to 468,000.70, 702,001.05 and 389,268.70

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Solution

The fourth proportional to 468,000.70, 702,001.05 and 389,268.70 is: 583,903.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,000.70 : 702,001.05 = 389,268.70 : x
  2. Step 2: Convert to fraction form
    468,000.70/702,001.05 = 389,268.70/x
  3. Step 3: Cross multiply
    468,000.70x = 702,001.05 × 389,268.70
  4. Step 4: Simplify right side
    468,000.70x = 273,267,036,132.14
  5. Step 5: Solve for x
    x = 273,267,036,132.14/468,000.70
  6. Step 6: Final answer
    x = 583,903.05

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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.