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Finding the Fourth Proportional to 450,577.40, 622,055.58 and 336,485.12

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Solution

The fourth proportional to 450,577.40, 622,055.58 and 336,485.12 is: 464,542.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,577.40 : 622,055.58 = 336,485.12 : x
  2. Step 2: Convert to fraction form
    450,577.40/622,055.58 = 336,485.12/x
  3. Step 3: Cross multiply
    450,577.40x = 622,055.58 × 336,485.12
  4. Step 4: Simplify right side
    450,577.40x = 209,312,446,482.97
  5. Step 5: Solve for x
    x = 209,312,446,482.97/450,577.40
  6. Step 6: Final answer
    x = 464,542.71

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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.