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Finding the Fourth Proportional to 404,779.70, 607,342.35 and 194,309.30

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Solution

The fourth proportional to 404,779.70, 607,342.35 and 194,309.30 is: 291,546.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,779.70 : 607,342.35 = 194,309.30 : x
  2. Step 2: Convert to fraction form
    404,779.70/607,342.35 = 194,309.30/x
  3. Step 3: Cross multiply
    404,779.70x = 607,342.35 × 194,309.30
  4. Step 4: Simplify right side
    404,779.70x = 118,012,266,888.86
  5. Step 5: Solve for x
    x = 118,012,266,888.86/404,779.70
  6. Step 6: Final answer
    x = 291,546.90

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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.