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Finding the Fourth Proportional to 440,484.63, 607,817.20 and 259,156.68

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Solution

The fourth proportional to 440,484.63, 607,817.20 and 259,156.68 is: 357,605.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,484.63 : 607,817.20 = 259,156.68 : x
  2. Step 2: Convert to fraction form
    440,484.63/607,817.20 = 259,156.68/x
  3. Step 3: Cross multiply
    440,484.63x = 607,817.20 × 259,156.68
  4. Step 4: Simplify right side
    440,484.63x = 157,519,887,598.90
  5. Step 5: Solve for x
    x = 157,519,887,598.90/440,484.63
  6. Step 6: Final answer
    x = 357,605.87

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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.