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Finding the Fourth Proportional to 654,770.16, 903,574.08 and 368,290.32

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Solution

The fourth proportional to 654,770.16, 903,574.08 and 368,290.32 is: 508,235.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,770.16 : 903,574.08 = 368,290.32 : x
  2. Step 2: Convert to fraction form
    654,770.16/903,574.08 = 368,290.32/x
  3. Step 3: Cross multiply
    654,770.16x = 903,574.08 × 368,290.32
  4. Step 4: Simplify right side
    654,770.16x = 332,777,587,066.91
  5. Step 5: Solve for x
    x = 332,777,587,066.91/654,770.16
  6. Step 6: Final answer
    x = 508,235.73

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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.