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Finding the Fourth Proportional to 534,018.72, 736,800.09 and 304,492.29

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Solution

The fourth proportional to 534,018.72, 736,800.09 and 304,492.29 is: 420,116.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,018.72 : 736,800.09 = 304,492.29 : x
  2. Step 2: Convert to fraction form
    534,018.72/736,800.09 = 304,492.29/x
  3. Step 3: Cross multiply
    534,018.72x = 736,800.09 × 304,492.29
  4. Step 4: Simplify right side
    534,018.72x = 224,349,942,992.31
  5. Step 5: Solve for x
    x = 224,349,942,992.31/534,018.72
  6. Step 6: Final answer
    x = 420,116.26

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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.