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Finding the Fourth Proportional to 423,514.02, 584,373.10 and 239,751.34

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Solution

The fourth proportional to 423,514.02, 584,373.10 and 239,751.34 is: 330,813.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,514.02 : 584,373.10 = 239,751.34 : x
  2. Step 2: Convert to fraction form
    423,514.02/584,373.10 = 239,751.34/x
  3. Step 3: Cross multiply
    423,514.02x = 584,373.10 × 239,751.34
  4. Step 4: Simplify right side
    423,514.02x = 140,104,233,784.95
  5. Step 5: Solve for x
    x = 140,104,233,784.95/423,514.02
  6. Step 6: Final answer
    x = 330,813.69

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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.