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Finding the Fourth Proportional to 577,356.48, 796,754.88 and 322,702.20

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Solution

The fourth proportional to 577,356.48, 796,754.88 and 322,702.20 is: 445,330.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,356.48 : 796,754.88 = 322,702.20 : x
  2. Step 2: Convert to fraction form
    577,356.48/796,754.88 = 322,702.20/x
  3. Step 3: Cross multiply
    577,356.48x = 796,754.88 × 322,702.20
  4. Step 4: Simplify right side
    577,356.48x = 257,114,552,636.74
  5. Step 5: Solve for x
    x = 257,114,552,636.74/577,356.48
  6. Step 6: Final answer
    x = 445,330.68

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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.