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Finding the Fourth Proportional to 423,369.48, 584,149.32 and 239,610.40

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Solution

The fourth proportional to 423,369.48, 584,149.32 and 239,610.40 is: 330,605.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,369.48 : 584,149.32 = 239,610.40 : x
  2. Step 2: Convert to fraction form
    423,369.48/584,149.32 = 239,610.40/x
  3. Step 3: Cross multiply
    423,369.48x = 584,149.32 × 239,610.40
  4. Step 4: Simplify right side
    423,369.48x = 139,968,252,224.93
  5. Step 5: Solve for x
    x = 139,968,252,224.93/423,369.48
  6. Step 6: Final answer
    x = 330,605.44

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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.