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Finding the Fourth Proportional to 253,460.76, 349,752.09 and 151,465.92

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Solution

The fourth proportional to 253,460.76, 349,752.09 and 151,465.92 is: 209,008.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,460.76 : 349,752.09 = 151,465.92 : x
  2. Step 2: Convert to fraction form
    253,460.76/349,752.09 = 151,465.92/x
  3. Step 3: Cross multiply
    253,460.76x = 349,752.09 × 151,465.92
  4. Step 4: Simplify right side
    253,460.76x = 52,975,522,083.77
  5. Step 5: Solve for x
    x = 52,975,522,083.77/253,460.76
  6. Step 6: Final answer
    x = 209,008.77

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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.