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Finding the Fourth Proportional to 314,779.74, 472,237.08 and 101,559.80

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Solution

The fourth proportional to 314,779.74, 472,237.08 and 101,559.80 is: 152,361.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,779.74 : 472,237.08 = 101,559.80 : x
  2. Step 2: Convert to fraction form
    314,779.74/472,237.08 = 101,559.80/x
  3. Step 3: Cross multiply
    314,779.74x = 472,237.08 × 101,559.80
  4. Step 4: Simplify right side
    314,779.74x = 47,960,300,655.35
  5. Step 5: Solve for x
    x = 47,960,300,655.35/314,779.74
  6. Step 6: Final answer
    x = 152,361.46

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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.