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Finding the Fourth Proportional to 423,521.09, 584,732.63 and 262,548.17

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Solution

The fourth proportional to 423,521.09, 584,732.63 and 262,548.17 is: 362,486.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,521.09 : 584,732.63 = 262,548.17 : x
  2. Step 2: Convert to fraction form
    423,521.09/584,732.63 = 262,548.17/x
  3. Step 3: Cross multiply
    423,521.09x = 584,732.63 × 262,548.17
  4. Step 4: Simplify right side
    423,521.09x = 153,520,480,633.05
  5. Step 5: Solve for x
    x = 153,520,480,633.05/423,521.09
  6. Step 6: Final answer
    x = 362,486.03

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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.