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Finding the Fourth Proportional to 620,535.33, 930,496.51 and 364,432.16

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Solution

The fourth proportional to 620,535.33, 930,496.51 and 364,432.16 is: 546,468.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,535.33 : 930,496.51 = 364,432.16 : x
  2. Step 2: Convert to fraction form
    620,535.33/930,496.51 = 364,432.16/x
  3. Step 3: Cross multiply
    620,535.33x = 930,496.51 × 364,432.16
  4. Step 4: Simplify right side
    620,535.33x = 339,102,855,793.54
  5. Step 5: Solve for x
    x = 339,102,855,793.54/620,535.33
  6. Step 6: Final answer
    x = 546,468.25

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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.