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Finding the Fourth Proportional to 442,589.66, 610,770.94 and 251,603.06

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Solution

The fourth proportional to 442,589.66, 610,770.94 and 251,603.06 is: 347,210.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,589.66 : 610,770.94 = 251,603.06 : x
  2. Step 2: Convert to fraction form
    442,589.66/610,770.94 = 251,603.06/x
  3. Step 3: Cross multiply
    442,589.66x = 610,770.94 × 251,603.06
  4. Step 4: Simplify right side
    442,589.66x = 153,671,837,463.08
  5. Step 5: Solve for x
    x = 153,671,837,463.08/442,589.66
  6. Step 6: Final answer
    x = 347,210.64

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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.