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Finding the Fourth Proportional to 440,486.88, 607,820.29 and 259,158.93

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Solution

The fourth proportional to 440,486.88, 607,820.29 and 259,158.93 is: 357,608.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,486.88 : 607,820.29 = 259,158.93 : x
  2. Step 2: Convert to fraction form
    440,486.88/607,820.29 = 259,158.93/x
  3. Step 3: Cross multiply
    440,486.88x = 607,820.29 × 259,158.93
  4. Step 4: Simplify right side
    440,486.88x = 157,522,055,988.69
  5. Step 5: Solve for x
    x = 157,522,055,988.69/440,486.88
  6. Step 6: Final answer
    x = 357,608.96

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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.