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Finding the Fourth Proportional to 622,669.60, 934,004.40 and 410,093.20

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Solution

The fourth proportional to 622,669.60, 934,004.40 and 410,093.20 is: 615,139.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,669.60 : 934,004.40 = 410,093.20 : x
  2. Step 2: Convert to fraction form
    622,669.60/934,004.40 = 410,093.20/x
  3. Step 3: Cross multiply
    622,669.60x = 934,004.40 × 410,093.20
  4. Step 4: Simplify right side
    622,669.60x = 383,028,853,210.08
  5. Step 5: Solve for x
    x = 383,028,853,210.08/622,669.60
  6. Step 6: Final answer
    x = 615,139.80

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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.