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Finding the Fourth Proportional to 607,799.68, 838,814.06 and 335,920.66

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Solution

The fourth proportional to 607,799.68, 838,814.06 and 335,920.66 is: 463,598.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,799.68 : 838,814.06 = 335,920.66 : x
  2. Step 2: Convert to fraction form
    607,799.68/838,814.06 = 335,920.66/x
  3. Step 3: Cross multiply
    607,799.68x = 838,814.06 × 335,920.66
  4. Step 4: Simplify right side
    607,799.68x = 281,774,971,395.25
  5. Step 5: Solve for x
    x = 281,774,971,395.25/607,799.68
  6. Step 6: Final answer
    x = 463,598.42

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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.