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Finding the Fourth Proportional to 609,350.69, 841,779.86 and 486,682.01

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Solution

The fourth proportional to 609,350.69, 841,779.86 and 486,682.01 is: 672,320.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,350.69 : 841,779.86 = 486,682.01 : x
  2. Step 2: Convert to fraction form
    609,350.69/841,779.86 = 486,682.01/x
  3. Step 3: Cross multiply
    609,350.69x = 841,779.86 × 486,682.01
  4. Step 4: Simplify right side
    609,350.69x = 409,679,114,242.32
  5. Step 5: Solve for x
    x = 409,679,114,242.32/609,350.69
  6. Step 6: Final answer
    x = 672,320.75

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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.