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Finding the Fourth Proportional to 497,718.40, 746,577.60 and 448,729.60

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Solution

The fourth proportional to 497,718.40, 746,577.60 and 448,729.60 is: 673,094.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,718.40 : 746,577.60 = 448,729.60 : x
  2. Step 2: Convert to fraction form
    497,718.40/746,577.60 = 448,729.60/x
  3. Step 3: Cross multiply
    497,718.40x = 746,577.60 × 448,729.60
  4. Step 4: Simplify right side
    497,718.40x = 335,011,467,816.96
  5. Step 5: Solve for x
    x = 335,011,467,816.96/497,718.40
  6. Step 6: Final answer
    x = 673,094.40

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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.