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Finding the Fourth Proportional to 273,340.62, 377,210.67 and 152,478.90

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Solution

The fourth proportional to 273,340.62, 377,210.67 and 152,478.90 is: 210,421.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,340.62 : 377,210.67 = 152,478.90 : x
  2. Step 2: Convert to fraction form
    273,340.62/377,210.67 = 152,478.90/x
  3. Step 3: Cross multiply
    273,340.62x = 377,210.67 × 152,478.90
  4. Step 4: Simplify right side
    273,340.62x = 57,516,668,029.86
  5. Step 5: Solve for x
    x = 57,516,668,029.86/273,340.62
  6. Step 6: Final answer
    x = 210,421.22

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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.