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Finding the Fourth Proportional to 620,574.09, 932,262.46 and 368,020.24

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Solution

The fourth proportional to 620,574.09, 932,262.46 and 368,020.24 is: 552,861.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,574.09 : 932,262.46 = 368,020.24 : x
  2. Step 2: Convert to fraction form
    620,574.09/932,262.46 = 368,020.24/x
  3. Step 3: Cross multiply
    620,574.09x = 932,262.46 × 368,020.24
  4. Step 4: Simplify right side
    620,574.09x = 343,091,458,335.57
  5. Step 5: Solve for x
    x = 343,091,458,335.57/620,574.09
  6. Step 6: Final answer
    x = 552,861.40

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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.