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Finding the Fourth Proportional to 622,383.60, 933,624.48 and 306,668.40

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Solution

The fourth proportional to 622,383.60, 933,624.48 and 306,668.40 is: 460,026.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,383.60 : 933,624.48 = 306,668.40 : x
  2. Step 2: Convert to fraction form
    622,383.60/933,624.48 = 306,668.40/x
  3. Step 3: Cross multiply
    622,383.60x = 933,624.48 × 306,668.40
  4. Step 4: Simplify right side
    622,383.60x = 286,313,125,482.43
  5. Step 5: Solve for x
    x = 286,313,125,482.43/622,383.60
  6. Step 6: Final answer
    x = 460,026.78

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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.