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Finding the Fourth Proportional to 436,603.98, 602,422.61 and 255,280.71

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Solution

The fourth proportional to 436,603.98, 602,422.61 and 255,280.71 is: 352,234.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,603.98 : 602,422.61 = 255,280.71 : x
  2. Step 2: Convert to fraction form
    436,603.98/602,422.61 = 255,280.71/x
  3. Step 3: Cross multiply
    436,603.98x = 602,422.61 × 255,280.71
  4. Step 4: Simplify right side
    436,603.98x = 153,786,870,324.45
  5. Step 5: Solve for x
    x = 153,786,870,324.45/436,603.98
  6. Step 6: Final answer
    x = 352,234.24

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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.