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Finding the Fourth Proportional to 273,478.50, 377,419.26 and 152,643.30

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Solution

The fourth proportional to 273,478.50, 377,419.26 and 152,643.30 is: 210,658.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,478.50 : 377,419.26 = 152,643.30 : x
  2. Step 2: Convert to fraction form
    273,478.50/377,419.26 = 152,643.30/x
  3. Step 3: Cross multiply
    273,478.50x = 377,419.26 × 152,643.30
  4. Step 4: Simplify right side
    273,478.50x = 57,610,521,329.96
  5. Step 5: Solve for x
    x = 57,610,521,329.96/273,478.50
  6. Step 6: Final answer
    x = 210,658.32

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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.