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Finding the Fourth Proportional to 607,799.70, 838,814.07 and 335,920.65

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Solution

The fourth proportional to 607,799.70, 838,814.07 and 335,920.65 is: 463,598.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,799.70 : 838,814.07 = 335,920.65 : x
  2. Step 2: Convert to fraction form
    607,799.70/838,814.07 = 335,920.65/x
  3. Step 3: Cross multiply
    607,799.70x = 838,814.07 × 335,920.65
  4. Step 4: Simplify right side
    607,799.70x = 281,774,967,623.55
  5. Step 5: Solve for x
    x = 281,774,967,623.55/607,799.70
  6. Step 6: Final answer
    x = 463,598.40

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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.