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Finding the Fourth Proportional to 622,125.80, 933,303.90 and 201,415.40

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Solution

The fourth proportional to 622,125.80, 933,303.90 and 201,415.40 is: 302,160.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,125.80 : 933,303.90 = 201,415.40 : x
  2. Step 2: Convert to fraction form
    622,125.80/933,303.90 = 201,415.40/x
  3. Step 3: Cross multiply
    622,125.80x = 933,303.90 × 201,415.40
  4. Step 4: Simplify right side
    622,125.80x = 187,981,778,340.06
  5. Step 5: Solve for x
    x = 187,981,778,340.06/622,125.80
  6. Step 6: Final answer
    x = 302,160.40

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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.