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Finding the Fourth Proportional to 434,448.77, 599,326.25 and 377,007.46

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Solution

The fourth proportional to 434,448.77, 599,326.25 and 377,007.46 is: 520,085.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,448.77 : 599,326.25 = 377,007.46 : x
  2. Step 2: Convert to fraction form
    434,448.77/599,326.25 = 377,007.46/x
  3. Step 3: Cross multiply
    434,448.77x = 599,326.25 × 377,007.46
  4. Step 4: Simplify right side
    434,448.77x = 225,950,463,840.47
  5. Step 5: Solve for x
    x = 225,950,463,840.47/434,448.77
  6. Step 6: Final answer
    x = 520,085.41

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Double scale
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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.