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Finding the Fourth Proportional to 316,775.58, 437,161.15 and 173,535.58

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Solution

The fourth proportional to 316,775.58, 437,161.15 and 173,535.58 is: 239,485.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,775.58 : 437,161.15 = 173,535.58 : x
  2. Step 2: Convert to fraction form
    316,775.58/437,161.15 = 173,535.58/x
  3. Step 3: Cross multiply
    316,775.58x = 437,161.15 × 173,535.58
  4. Step 4: Simplify right side
    316,775.58x = 75,863,014,482.09
  5. Step 5: Solve for x
    x = 75,863,014,482.09/316,775.58
  6. Step 6: Final answer
    x = 239,485.05

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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.