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Finding the Fourth Proportional to 259,805.02, 358,492.40 and 157,777.26

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Solution

The fourth proportional to 259,805.02, 358,492.40 and 157,777.26 is: 217,709.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,805.02 : 358,492.40 = 157,777.26 : x
  2. Step 2: Convert to fraction form
    259,805.02/358,492.40 = 157,777.26/x
  3. Step 3: Cross multiply
    259,805.02x = 358,492.40 × 157,777.26
  4. Step 4: Simplify right side
    259,805.02x = 56,561,948,602.82
  5. Step 5: Solve for x
    x = 56,561,948,602.82/259,805.02
  6. Step 6: Final answer
    x = 217,709.22

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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.