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Finding the Fourth Proportional to 273,484.50, 377,427.54 and 152,649.30

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Solution

The fourth proportional to 273,484.50, 377,427.54 and 152,649.30 is: 210,666.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,484.50 : 377,427.54 = 152,649.30 : x
  2. Step 2: Convert to fraction form
    273,484.50/377,427.54 = 152,649.30/x
  3. Step 3: Cross multiply
    273,484.50x = 377,427.54 × 152,649.30
  4. Step 4: Simplify right side
    273,484.50x = 57,614,049,781.72
  5. Step 5: Solve for x
    x = 57,614,049,781.72/273,484.50
  6. Step 6: Final answer
    x = 210,666.60

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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.