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Finding the Fourth Proportional to 225,473.84, 310,445.76 and 191,411.76

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Solution

The fourth proportional to 225,473.84, 310,445.76 and 191,411.76 is: 263,547.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,473.84 : 310,445.76 = 191,411.76 : x
  2. Step 2: Convert to fraction form
    225,473.84/310,445.76 = 191,411.76/x
  3. Step 3: Cross multiply
    225,473.84x = 310,445.76 × 191,411.76
  4. Step 4: Simplify right side
    225,473.84x = 59,422,969,306.14
  5. Step 5: Solve for x
    x = 59,422,969,306.14/225,473.84
  6. Step 6: Final answer
    x = 263,547.07

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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.