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Finding the Fourth Proportional to 702,806.40, 968,908.80 and 444,554.88

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Solution

The fourth proportional to 702,806.40, 968,908.80 and 444,554.88 is: 612,875.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,806.40 : 968,908.80 = 444,554.88 : x
  2. Step 2: Convert to fraction form
    702,806.40/968,908.80 = 444,554.88/x
  3. Step 3: Cross multiply
    702,806.40x = 968,908.80 × 444,554.88
  4. Step 4: Simplify right side
    702,806.40x = 430,733,135,314.94
  5. Step 5: Solve for x
    x = 430,733,135,314.94/702,806.40
  6. Step 6: Final answer
    x = 612,875.94

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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.