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Finding the Fourth Proportional to 593,521.51, 819,060.51 and 321,592.36

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Solution

The fourth proportional to 593,521.51, 819,060.51 and 321,592.36 is: 443,797.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,521.51 : 819,060.51 = 321,592.36 : x
  2. Step 2: Convert to fraction form
    593,521.51/819,060.51 = 321,592.36/x
  3. Step 3: Cross multiply
    593,521.51x = 819,060.51 × 321,592.36
  4. Step 4: Simplify right side
    593,521.51x = 263,403,602,393.70
  5. Step 5: Solve for x
    x = 263,403,602,393.70/593,521.51
  6. Step 6: Final answer
    x = 443,797.90

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Double scale
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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.