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Finding the Fourth Proportional to 400,117.70, 597,621.25 and 362,108.72

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Solution

The fourth proportional to 400,117.70, 597,621.25 and 362,108.72 is: 540,850.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,117.70 : 597,621.25 = 362,108.72 : x
  2. Step 2: Convert to fraction form
    400,117.70/597,621.25 = 362,108.72/x
  3. Step 3: Cross multiply
    400,117.70x = 597,621.25 × 362,108.72
  4. Step 4: Simplify right side
    400,117.70x = 216,403,867,828.99
  5. Step 5: Solve for x
    x = 216,403,867,828.99/400,117.70
  6. Step 6: Final answer
    x = 540,850.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.