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Finding the Fourth Proportional to 618,098.11, 852,877.96 and 360,017.53

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Solution

The fourth proportional to 618,098.11, 852,877.96 and 360,017.53 is: 496,767.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,098.11 : 852,877.96 = 360,017.53 : x
  2. Step 2: Convert to fraction form
    618,098.11/852,877.96 = 360,017.53/x
  3. Step 3: Cross multiply
    618,098.11x = 852,877.96 × 360,017.53
  4. Step 4: Simplify right side
    618,098.11x = 307,051,013,518.40
  5. Step 5: Solve for x
    x = 307,051,013,518.40/618,098.11
  6. Step 6: Final answer
    x = 496,767.44

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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.