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Finding the Fourth Proportional to 491,624.78, 737,437.18 and 176,303.12

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Solution

The fourth proportional to 491,624.78, 737,437.18 and 176,303.12 is: 264,454.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,624.78 : 737,437.18 = 176,303.12 : x
  2. Step 2: Convert to fraction form
    491,624.78/737,437.18 = 176,303.12/x
  3. Step 3: Cross multiply
    491,624.78x = 737,437.18 × 176,303.12
  4. Step 4: Simplify right side
    491,624.78x = 130,012,477,040.84
  5. Step 5: Solve for x
    x = 130,012,477,040.84/491,624.78
  6. Step 6: Final answer
    x = 264,454.69

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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.