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Finding the Fourth Proportional to 440,427.86, 607,761.67 and 259,104.76

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Solution

The fourth proportional to 440,427.86, 607,761.67 and 259,104.76 is: 357,547.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,427.86 : 607,761.67 = 259,104.76 : x
  2. Step 2: Convert to fraction form
    440,427.86/607,761.67 = 259,104.76/x
  3. Step 3: Cross multiply
    440,427.86x = 607,761.67 × 259,104.76
  4. Step 4: Simplify right side
    440,427.86x = 157,473,941,642.55
  5. Step 5: Solve for x
    x = 157,473,941,642.55/440,427.86
  6. Step 6: Final answer
    x = 357,547.64

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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.