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Finding the Fourth Proportional to 362,616.76, 500,444.94 and 219,412.12

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Solution

The fourth proportional to 362,616.76, 500,444.94 and 219,412.12 is: 302,809.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,616.76 : 500,444.94 = 219,412.12 : x
  2. Step 2: Convert to fraction form
    362,616.76/500,444.94 = 219,412.12/x
  3. Step 3: Cross multiply
    362,616.76x = 500,444.94 × 219,412.12
  4. Step 4: Simplify right side
    362,616.76x = 109,803,685,228.67
  5. Step 5: Solve for x
    x = 109,803,685,228.67/362,616.76
  6. Step 6: Final answer
    x = 302,809.18

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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.