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Finding the Fourth Proportional to 423,699.52, 584,682 and 232,682.08

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Solution

The fourth proportional to 423,699.52, 584,682 and 232,682.08 is: 321,088.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,699.52 : 584,682 = 232,682.08 : x
  2. Step 2: Convert to fraction form
    423,699.52/584,682 = 232,682.08/x
  3. Step 3: Cross multiply
    423,699.52x = 584,682 × 232,682.08
  4. Step 4: Simplify right side
    423,699.52x = 136,045,023,898.56
  5. Step 5: Solve for x
    x = 136,045,023,898.56/423,699.52
  6. Step 6: Final answer
    x = 321,088.45

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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.