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Finding the Fourth Proportional to 314,779.37, 472,236.51 and 101,559.42

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Solution

The fourth proportional to 314,779.37, 472,236.51 and 101,559.42 is: 152,360.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,779.37 : 472,236.51 = 101,559.42 : x
  2. Step 2: Convert to fraction form
    314,779.37/472,236.51 = 101,559.42/x
  3. Step 3: Cross multiply
    314,779.37x = 472,236.51 × 101,559.42
  4. Step 4: Simplify right side
    314,779.37x = 47,960,066,439.27
  5. Step 5: Solve for x
    x = 47,960,066,439.27/314,779.37
  6. Step 6: Final answer
    x = 152,360.90

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1.5x scale

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.