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Finding the Fourth Proportional to 654,530.96, 903,258.10 and 368,048.52

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Solution

The fourth proportional to 654,530.96, 903,258.10 and 368,048.52 is: 507,909.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,530.96 : 903,258.10 = 368,048.52 : x
  2. Step 2: Convert to fraction form
    654,530.96/903,258.10 = 368,048.52/x
  3. Step 3: Cross multiply
    654,530.96x = 903,258.10 × 368,048.52
  4. Step 4: Simplify right side
    654,530.96x = 332,442,806,883.01
  5. Step 5: Solve for x
    x = 332,442,806,883.01/654,530.96
  6. Step 6: Final answer
    x = 507,909.98

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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.