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Finding the Fourth Proportional to 625,779.32, 863,607.13 and 350,168.11

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Solution

The fourth proportional to 625,779.32, 863,607.13 and 350,168.11 is: 483,249.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,779.32 : 863,607.13 = 350,168.11 : x
  2. Step 2: Convert to fraction form
    625,779.32/863,607.13 = 350,168.11/x
  3. Step 3: Cross multiply
    625,779.32x = 863,607.13 × 350,168.11
  4. Step 4: Simplify right side
    625,779.32x = 302,407,673,460.19
  5. Step 5: Solve for x
    x = 302,407,673,460.19/625,779.32
  6. Step 6: Final answer
    x = 483,249.71

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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.