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Finding the Fourth Proportional to 622,734.60, 932,133.60 and 445,587.60

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Solution

The fourth proportional to 622,734.60, 932,133.60 and 445,587.60 is: 666,973.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,734.60 : 932,133.60 = 445,587.60 : x
  2. Step 2: Convert to fraction form
    622,734.60/932,133.60 = 445,587.60/x
  3. Step 3: Cross multiply
    622,734.60x = 932,133.60 × 445,587.60
  4. Step 4: Simplify right side
    622,734.60x = 415,347,173,703.36
  5. Step 5: Solve for x
    x = 415,347,173,703.36/622,734.60
  6. Step 6: Final answer
    x = 666,973.01

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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.