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Finding the Fourth Proportional to 452,452.80, 678,762.58 and 148,864.02

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Solution

The fourth proportional to 452,452.80, 678,762.58 and 148,864.02 is: 223,323.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,452.80 : 678,762.58 = 148,864.02 : x
  2. Step 2: Convert to fraction form
    452,452.80/678,762.58 = 148,864.02/x
  3. Step 3: Cross multiply
    452,452.80x = 678,762.58 × 148,864.02
  4. Step 4: Simplify right side
    452,452.80x = 101,043,326,284.37
  5. Step 5: Solve for x
    x = 101,043,326,284.37/452,452.80
  6. Step 6: Final answer
    x = 223,323.46

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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.