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Finding the Fourth Proportional to 608,779.10, 840,453.01 and 367,122.89

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Solution

The fourth proportional to 608,779.10, 840,453.01 and 367,122.89 is: 506,833.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,779.10 : 840,453.01 = 367,122.89 : x
  2. Step 2: Convert to fraction form
    608,779.10/840,453.01 = 367,122.89/x
  3. Step 3: Cross multiply
    608,779.10x = 840,453.01 × 367,122.89
  4. Step 4: Simplify right side
    608,779.10x = 308,549,532,820.33
  5. Step 5: Solve for x
    x = 308,549,532,820.33/608,779.10
  6. Step 6: Final answer
    x = 506,833.32

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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.