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Finding the Fourth Proportional to 253,598.64, 380,255.70 and 173,726.82

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Solution

The fourth proportional to 253,598.64, 380,255.70 and 173,726.82 is: 260,492.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,598.64 : 380,255.70 = 173,726.82 : x
  2. Step 2: Convert to fraction form
    253,598.64/380,255.70 = 173,726.82/x
  3. Step 3: Cross multiply
    253,598.64x = 380,255.70 × 173,726.82
  4. Step 4: Simplify right side
    253,598.64x = 66,060,613,547.87
  5. Step 5: Solve for x
    x = 66,060,613,547.87/253,598.64
  6. Step 6: Final answer
    x = 260,492.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.