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Finding the Fourth Proportional to 259,799.92, 358,485.45 and 157,772.32

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Solution

The fourth proportional to 259,799.92, 358,485.45 and 157,772.32 is: 217,702.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,799.92 : 358,485.45 = 157,772.32 : x
  2. Step 2: Convert to fraction form
    259,799.92/358,485.45 = 157,772.32/x
  3. Step 3: Cross multiply
    259,799.92x = 358,485.45 × 157,772.32
  4. Step 4: Simplify right side
    259,799.92x = 56,559,081,132.74
  5. Step 5: Solve for x
    x = 56,559,081,132.74/259,799.92
  6. Step 6: Final answer
    x = 217,702.46

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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.