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Finding the Fourth Proportional to 620,903.57, 856,654.22 and 362,594.16

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Solution

The fourth proportional to 620,903.57, 856,654.22 and 362,594.16 is: 500,267.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,903.57 : 856,654.22 = 362,594.16 : x
  2. Step 2: Convert to fraction form
    620,903.57/856,654.22 = 362,594.16/x
  3. Step 3: Cross multiply
    620,903.57x = 856,654.22 × 362,594.16
  4. Step 4: Simplify right side
    620,903.57x = 310,617,815,498.38
  5. Step 5: Solve for x
    x = 310,617,815,498.38/620,903.57
  6. Step 6: Final answer
    x = 500,267.41

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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.