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Finding the Fourth Proportional to 303,920.84, 455,473.76 and 236,534.24

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Solution

The fourth proportional to 303,920.84, 455,473.76 and 236,534.24 is: 354,484.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,920.84 : 455,473.76 = 236,534.24 : x
  2. Step 2: Convert to fraction form
    303,920.84/455,473.76 = 236,534.24/x
  3. Step 3: Cross multiply
    303,920.84x = 455,473.76 × 236,534.24
  4. Step 4: Simplify right side
    303,920.84x = 107,735,141,802.07
  5. Step 5: Solve for x
    x = 107,735,141,802.07/303,920.84
  6. Step 6: Final answer
    x = 354,484.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.