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Finding the Fourth Proportional to 370,798.80, 556,159.68 and 251,620.80

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Solution

The fourth proportional to 370,798.80, 556,159.68 and 251,620.80 is: 377,405.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,798.80 : 556,159.68 = 251,620.80 : x
  2. Step 2: Convert to fraction form
    370,798.80/556,159.68 = 251,620.80/x
  3. Step 3: Cross multiply
    370,798.80x = 556,159.68 × 251,620.80
  4. Step 4: Simplify right side
    370,798.80x = 139,941,343,609.34
  5. Step 5: Solve for x
    x = 139,941,343,609.34/370,798.80
  6. Step 6: Final answer
    x = 377,405.06

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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.