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Finding the Fourth Proportional to 245,434.10, 368,151.15 and 201,110.90

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Solution

The fourth proportional to 245,434.10, 368,151.15 and 201,110.90 is: 301,666.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,434.10 : 368,151.15 = 201,110.90 : x
  2. Step 2: Convert to fraction form
    245,434.10/368,151.15 = 201,110.90/x
  3. Step 3: Cross multiply
    245,434.10x = 368,151.15 × 201,110.90
  4. Step 4: Simplify right side
    245,434.10x = 74,039,209,112.54
  5. Step 5: Solve for x
    x = 74,039,209,112.54/245,434.10
  6. Step 6: Final answer
    x = 301,666.35

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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.