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Finding the Fourth Proportional to 668,706.04, 922,806.06 and 366,899.80

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Solution

The fourth proportional to 668,706.04, 922,806.06 and 366,899.80 is: 506,317.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,706.04 : 922,806.06 = 366,899.80 : x
  2. Step 2: Convert to fraction form
    668,706.04/922,806.06 = 366,899.80/x
  3. Step 3: Cross multiply
    668,706.04x = 922,806.06 × 366,899.80
  4. Step 4: Simplify right side
    668,706.04x = 338,577,358,852.79
  5. Step 5: Solve for x
    x = 338,577,358,852.79/668,706.04
  6. Step 6: Final answer
    x = 506,317.18

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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.