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Finding the Fourth Proportional to 286,679.93, 395,583.95 and 157,597.11

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Solution

The fourth proportional to 286,679.93, 395,583.95 and 157,597.11 is: 217,465.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,679.93 : 395,583.95 = 157,597.11 : x
  2. Step 2: Convert to fraction form
    286,679.93/395,583.95 = 157,597.11/x
  3. Step 3: Cross multiply
    286,679.93x = 395,583.95 × 157,597.11
  4. Step 4: Simplify right side
    286,679.93x = 62,342,887,676.38
  5. Step 5: Solve for x
    x = 62,342,887,676.38/286,679.93
  6. Step 6: Final answer
    x = 217,465.13

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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.