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Finding the Fourth Proportional to 668,714.80, 922,818.72 and 366,908.80

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Solution

The fourth proportional to 668,714.80, 922,818.72 and 366,908.80 is: 506,329.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,714.80 : 922,818.72 = 366,908.80 : x
  2. Step 2: Convert to fraction form
    668,714.80/922,818.72 = 366,908.80/x
  3. Step 3: Cross multiply
    668,714.80x = 922,818.72 × 366,908.80
  4. Step 4: Simplify right side
    668,714.80x = 338,590,309,172.74
  5. Step 5: Solve for x
    x = 338,590,309,172.74/668,714.80
  6. Step 6: Final answer
    x = 506,329.92

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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.