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Finding the Fourth Proportional to 532,242.75, 798,583.37 and 390,810.27

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Solution

The fourth proportional to 532,242.75, 798,583.37 and 390,810.27 is: 586,376.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,242.75 : 798,583.37 = 390,810.27 : x
  2. Step 2: Convert to fraction form
    532,242.75/798,583.37 = 390,810.27/x
  3. Step 3: Cross multiply
    532,242.75x = 798,583.37 × 390,810.27
  4. Step 4: Simplify right side
    532,242.75x = 312,094,580,493.16
  5. Step 5: Solve for x
    x = 312,094,580,493.16/532,242.75
  6. Step 6: Final answer
    x = 586,376.39

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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.