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Finding the Fourth Proportional to 590,427.60, 886,078.80 and 235,696.20

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Solution

The fourth proportional to 590,427.60, 886,078.80 and 235,696.20 is: 353,718.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,427.60 : 886,078.80 = 235,696.20 : x
  2. Step 2: Convert to fraction form
    590,427.60/886,078.80 = 235,696.20/x
  3. Step 3: Cross multiply
    590,427.60x = 886,078.80 × 235,696.20
  4. Step 4: Simplify right side
    590,427.60x = 208,845,406,060.56
  5. Step 5: Solve for x
    x = 208,845,406,060.56/590,427.60
  6. Step 6: Final answer
    x = 353,718.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.