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Finding the Fourth Proportional to 497,276.42, 746,436.42 and 440,712.23

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Solution

The fourth proportional to 497,276.42, 746,436.42 and 440,712.23 is: 661,530.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,276.42 : 746,436.42 = 440,712.23 : x
  2. Step 2: Convert to fraction form
    497,276.42/746,436.42 = 440,712.23/x
  3. Step 3: Cross multiply
    497,276.42x = 746,436.42 × 440,712.23
  4. Step 4: Simplify right side
    497,276.42x = 328,963,655,479.24
  5. Step 5: Solve for x
    x = 328,963,655,479.24/497,276.42
  6. Step 6: Final answer
    x = 661,530.78

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1.5x scale

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.