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Finding the Fourth Proportional to 296,306.64, 444,482.64 and 127,830.96

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Solution

The fourth proportional to 296,306.64, 444,482.64 and 127,830.96 is: 191,756.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,306.64 : 444,482.64 = 127,830.96 : x
  2. Step 2: Convert to fraction form
    296,306.64/444,482.64 = 127,830.96/x
  3. Step 3: Cross multiply
    296,306.64x = 444,482.64 × 127,830.96
  4. Step 4: Simplify right side
    296,306.64x = 56,818,642,574.53
  5. Step 5: Solve for x
    x = 56,818,642,574.53/296,306.64
  6. Step 6: Final answer
    x = 191,756.22

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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.