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Finding the Fourth Proportional to 416,590.69, 574,894.28 and 225,603.49

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Solution

The fourth proportional to 416,590.69, 574,894.28 and 225,603.49 is: 311,332.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,590.69 : 574,894.28 = 225,603.49 : x
  2. Step 2: Convert to fraction form
    416,590.69/574,894.28 = 225,603.49/x
  3. Step 3: Cross multiply
    416,590.69x = 574,894.28 × 225,603.49
  4. Step 4: Simplify right side
    416,590.69x = 129,698,154,821.02
  5. Step 5: Solve for x
    x = 129,698,154,821.02/416,590.69
  6. Step 6: Final answer
    x = 311,332.34

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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.