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Finding the Fourth Proportional to 358,603.38, 537,852.06 and 133,935.66

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Solution

The fourth proportional to 358,603.38, 537,852.06 and 133,935.66 is: 200,883.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,603.38 : 537,852.06 = 133,935.66 : x
  2. Step 2: Convert to fraction form
    358,603.38/537,852.06 = 133,935.66/x
  3. Step 3: Cross multiply
    358,603.38x = 537,852.06 × 133,935.66
  4. Step 4: Simplify right side
    358,603.38x = 72,037,570,638.46
  5. Step 5: Solve for x
    x = 72,037,570,638.46/358,603.38
  6. Step 6: Final answer
    x = 200,883.69

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1.5x scale

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.