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Finding the Fourth Proportional to 662,393.33, 992,925.66 and 307,656.47

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Solution

The fourth proportional to 662,393.33, 992,925.66 and 307,656.47 is: 461,176.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,393.33 : 992,925.66 = 307,656.47 : x
  2. Step 2: Convert to fraction form
    662,393.33/992,925.66 = 307,656.47/x
  3. Step 3: Cross multiply
    662,393.33x = 992,925.66 × 307,656.47
  4. Step 4: Simplify right side
    662,393.33x = 305,480,003,528.02
  5. Step 5: Solve for x
    x = 305,480,003,528.02/662,393.33
  6. Step 6: Final answer
    x = 461,176.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.