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Finding the Fourth Proportional to 452,449.64, 678,562.32 and 152,923.57

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Solution

The fourth proportional to 452,449.64, 678,562.32 and 152,923.57 is: 229,347.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,449.64 : 678,562.32 = 152,923.57 : x
  2. Step 2: Convert to fraction form
    452,449.64/678,562.32 = 152,923.57/x
  3. Step 3: Cross multiply
    452,449.64x = 678,562.32 × 152,923.57
  4. Step 4: Simplify right side
    452,449.64x = 103,768,172,441.88
  5. Step 5: Solve for x
    x = 103,768,172,441.88/452,449.64
  6. Step 6: Final answer
    x = 229,347.45

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1.5x scale

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.