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Finding the Fourth Proportional to 668,535.16, 922,523.68 and 366,729.16

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Solution

The fourth proportional to 668,535.16, 922,523.68 and 366,729.16 is: 506,056.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,535.16 : 922,523.68 = 366,729.16 : x
  2. Step 2: Convert to fraction form
    668,535.16/922,523.68 = 366,729.16/x
  3. Step 3: Cross multiply
    668,535.16x = 922,523.68 × 366,729.16
  4. Step 4: Simplify right side
    668,535.16x = 338,316,334,246.51
  5. Step 5: Solve for x
    x = 338,316,334,246.51/668,535.16
  6. Step 6: Final answer
    x = 506,056.16

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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.