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Finding the Fourth Proportional to 288,314.84, 397,802.85 and 250,013.18

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Solution

The fourth proportional to 288,314.84, 397,802.85 and 250,013.18 is: 344,956.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,314.84 : 397,802.85 = 250,013.18 : x
  2. Step 2: Convert to fraction form
    288,314.84/397,802.85 = 250,013.18/x
  3. Step 3: Cross multiply
    288,314.84x = 397,802.85 × 250,013.18
  4. Step 4: Simplify right side
    288,314.84x = 99,455,955,598.52
  5. Step 5: Solve for x
    x = 99,455,955,598.52/288,314.84
  6. Step 6: Final answer
    x = 344,956.07

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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.