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Finding the Fourth Proportional to 452,509.21, 624,482.34 and 258,977.67

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Solution

The fourth proportional to 452,509.21, 624,482.34 and 258,977.67 is: 357,400.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,509.21 : 624,482.34 = 258,977.67 : x
  2. Step 2: Convert to fraction form
    452,509.21/624,482.34 = 258,977.67/x
  3. Step 3: Cross multiply
    452,509.21x = 624,482.34 × 258,977.67
  4. Step 4: Simplify right side
    452,509.21x = 161,726,981,369.35
  5. Step 5: Solve for x
    x = 161,726,981,369.35/452,509.21
  6. Step 6: Final answer
    x = 357,400.42

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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.