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Finding the Fourth Proportional to 577,702.48, 797,239.92 and 323,048.20

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Solution

The fourth proportional to 577,702.48, 797,239.92 and 323,048.20 is: 445,812.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,702.48 : 797,239.92 = 323,048.20 : x
  2. Step 2: Convert to fraction form
    577,702.48/797,239.92 = 323,048.20/x
  3. Step 3: Cross multiply
    577,702.48x = 797,239.92 × 323,048.20
  4. Step 4: Simplify right side
    577,702.48x = 257,546,921,124.14
  5. Step 5: Solve for x
    x = 257,546,921,124.14/577,702.48
  6. Step 6: Final answer
    x = 445,812.39

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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.