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Finding the Fourth Proportional to 506,590.49, 760,147.70 and 222,480.77

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Solution

The fourth proportional to 506,590.49, 760,147.70 and 222,480.77 is: 333,836.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,590.49 : 760,147.70 = 222,480.77 : x
  2. Step 2: Convert to fraction form
    506,590.49/760,147.70 = 222,480.77/x
  3. Step 3: Cross multiply
    506,590.49x = 760,147.70 × 222,480.77
  4. Step 4: Simplify right side
    506,590.49x = 169,118,240,696.59
  5. Step 5: Solve for x
    x = 169,118,240,696.59/506,590.49
  6. Step 6: Final answer
    x = 333,836.20

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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.