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Finding the Fourth Proportional to 607,678.57, 838,645.50 and 335,770.27

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Solution

The fourth proportional to 607,678.57, 838,645.50 and 335,770.27 is: 463,390.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,678.57 : 838,645.50 = 335,770.27 : x
  2. Step 2: Convert to fraction form
    607,678.57/838,645.50 = 335,770.27/x
  3. Step 3: Cross multiply
    607,678.57x = 838,645.50 × 335,770.27
  4. Step 4: Simplify right side
    607,678.57x = 281,592,225,969.29
  5. Step 5: Solve for x
    x = 281,592,225,969.29/607,678.57
  6. Step 6: Final answer
    x = 463,390.09

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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.