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Finding the Fourth Proportional to 664,400.94, 916,860.51 and 362,597.10

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Solution

The fourth proportional to 664,400.94, 916,860.51 and 362,597.10 is: 500,377.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,400.94 : 916,860.51 = 362,597.10 : x
  2. Step 2: Convert to fraction form
    664,400.94/916,860.51 = 362,597.10/x
  3. Step 3: Cross multiply
    664,400.94x = 916,860.51 × 362,597.10
  4. Step 4: Simplify right side
    664,400.94x = 332,450,962,030.52
  5. Step 5: Solve for x
    x = 332,450,962,030.52/664,400.94
  6. Step 6: Final answer
    x = 500,377.02

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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.