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Finding the Fourth Proportional to 362,347.11, 500,085.14 and 219,108.17

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Solution

The fourth proportional to 362,347.11, 500,085.14 and 219,108.17 is: 302,397.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,347.11 : 500,085.14 = 219,108.17 : x
  2. Step 2: Convert to fraction form
    362,347.11/500,085.14 = 219,108.17/x
  3. Step 3: Cross multiply
    362,347.11x = 500,085.14 × 219,108.17
  4. Step 4: Simplify right side
    362,347.11x = 109,572,740,024.27
  5. Step 5: Solve for x
    x = 109,572,740,024.27/362,347.11
  6. Step 6: Final answer
    x = 302,397.17

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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.