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Finding the Fourth Proportional to 607,239.51, 838,064.42 and 352,590.71

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Solution

The fourth proportional to 607,239.51, 838,064.42 and 352,590.71 is: 486,618.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,239.51 : 838,064.42 = 352,590.71 : x
  2. Step 2: Convert to fraction form
    607,239.51/838,064.42 = 352,590.71/x
  3. Step 3: Cross multiply
    607,239.51x = 838,064.42 × 352,590.71
  4. Step 4: Simplify right side
    607,239.51x = 295,493,722,920.26
  5. Step 5: Solve for x
    x = 295,493,722,920.26/607,239.51
  6. Step 6: Final answer
    x = 486,618.08

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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.