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Finding the Fourth Proportional to 668,479.92, 922,499.63 and 362,555.07

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Solution

The fourth proportional to 668,479.92, 922,499.63 and 362,555.07 is: 500,324.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,479.92 : 922,499.63 = 362,555.07 : x
  2. Step 2: Convert to fraction form
    668,479.92/922,499.63 = 362,555.07/x
  3. Step 3: Cross multiply
    668,479.92x = 922,499.63 × 362,555.07
  4. Step 4: Simplify right side
    668,479.92x = 334,456,916,116.85
  5. Step 5: Solve for x
    x = 334,456,916,116.85/668,479.92
  6. Step 6: Final answer
    x = 500,324.55

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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.