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Finding the Fourth Proportional to 397,957.02, 549,167.73 and 225,888.72

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Solution

The fourth proportional to 397,957.02, 549,167.73 and 225,888.72 is: 311,719.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,957.02 : 549,167.73 = 225,888.72 : x
  2. Step 2: Convert to fraction form
    397,957.02/549,167.73 = 225,888.72/x
  3. Step 3: Cross multiply
    397,957.02x = 549,167.73 × 225,888.72
  4. Step 4: Simplify right side
    397,957.02x = 124,050,795,595.01
  5. Step 5: Solve for x
    x = 124,050,795,595.01/397,957.02
  6. Step 6: Final answer
    x = 311,719.08

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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.