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Finding the Fourth Proportional to 440,465.19, 607,831.77 and 256,692.06

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Solution

The fourth proportional to 440,465.19, 607,831.77 and 256,692.06 is: 354,229.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,465.19 : 607,831.77 = 256,692.06 : x
  2. Step 2: Convert to fraction form
    440,465.19/607,831.77 = 256,692.06/x
  3. Step 3: Cross multiply
    440,465.19x = 607,831.77 × 256,692.06
  4. Step 4: Simplify right side
    440,465.19x = 156,025,589,174.75
  5. Step 5: Solve for x
    x = 156,025,589,174.75/440,465.19
  6. Step 6: Final answer
    x = 354,229.10

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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.