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Finding the Fourth Proportional to 607,855.68, 838,857.60 and 335,941.20

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Solution

The fourth proportional to 607,855.68, 838,857.60 and 335,941.20 is: 463,608.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,855.68 : 838,857.60 = 335,941.20 : x
  2. Step 2: Convert to fraction form
    607,855.68/838,857.60 = 335,941.20/x
  3. Step 3: Cross multiply
    607,855.68x = 838,857.60 × 335,941.20
  4. Step 4: Simplify right side
    607,855.68x = 281,806,828,773.12
  5. Step 5: Solve for x
    x = 281,806,828,773.12/607,855.68
  6. Step 6: Final answer
    x = 463,608.12

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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.