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Finding the Fourth Proportional to 362,347.48, 500,085.64 and 219,108.56

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Solution

The fourth proportional to 362,347.48, 500,085.64 and 219,108.56 is: 302,397.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,347.48 : 500,085.64 = 219,108.56 : x
  2. Step 2: Convert to fraction form
    362,347.48/500,085.64 = 219,108.56/x
  3. Step 3: Cross multiply
    362,347.48x = 500,085.64 × 219,108.56
  4. Step 4: Simplify right side
    362,347.48x = 109,573,044,457.08
  5. Step 5: Solve for x
    x = 109,573,044,457.08/362,347.48
  6. Step 6: Final answer
    x = 302,397.70

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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.