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Finding the Fourth Proportional to 607,623.12, 838,505.16 and 335,717.04

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Solution

The fourth proportional to 607,623.12, 838,505.16 and 335,717.04 is: 463,281.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,623.12 : 838,505.16 = 335,717.04 : x
  2. Step 2: Convert to fraction form
    607,623.12/838,505.16 = 335,717.04/x
  3. Step 3: Cross multiply
    607,623.12x = 838,505.16 × 335,717.04
  4. Step 4: Simplify right side
    607,623.12x = 281,500,470,339.93
  5. Step 5: Solve for x
    x = 281,500,470,339.93/607,623.12
  6. Step 6: Final answer
    x = 463,281.37

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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.