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Finding the Fourth Proportional to 637,806.80, 958,783.80 and 452,104.40

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Solution

The fourth proportional to 637,806.80, 958,783.80 and 452,104.40 is: 679,626.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,806.80 : 958,783.80 = 452,104.40 : x
  2. Step 2: Convert to fraction form
    637,806.80/958,783.80 = 452,104.40/x
  3. Step 3: Cross multiply
    637,806.80x = 958,783.80 × 452,104.40
  4. Step 4: Simplify right side
    637,806.80x = 433,470,374,628.72
  5. Step 5: Solve for x
    x = 433,470,374,628.72/637,806.80
  6. Step 6: Final answer
    x = 679,626.46

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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.