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Finding the Fourth Proportional to 416,703.33, 575,048.70 and 225,717.20

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Solution

The fourth proportional to 416,703.33, 575,048.70 and 225,717.20 is: 311,488.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,703.33 : 575,048.70 = 225,717.20 : x
  2. Step 2: Convert to fraction form
    416,703.33/575,048.70 = 225,717.20/x
  3. Step 3: Cross multiply
    416,703.33x = 575,048.70 × 225,717.20
  4. Step 4: Simplify right side
    416,703.33x = 129,798,379,552.40
  5. Step 5: Solve for x
    x = 129,798,379,552.40/416,703.33
  6. Step 6: Final answer
    x = 311,488.70

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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.