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Finding the Fourth Proportional to 431,927.48, 596,063.80 and 238,343.80

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Solution

The fourth proportional to 431,927.48, 596,063.80 and 238,343.80 is: 328,916.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,927.48 : 596,063.80 = 238,343.80 : x
  2. Step 2: Convert to fraction form
    431,927.48/596,063.80 = 238,343.80/x
  3. Step 3: Cross multiply
    431,927.48x = 596,063.80 × 238,343.80
  4. Step 4: Simplify right side
    431,927.48x = 142,068,111,134.44
  5. Step 5: Solve for x
    x = 142,068,111,134.44/431,927.48
  6. Step 6: Final answer
    x = 328,916.58

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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.