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Finding the Fourth Proportional to 440,485.88, 607,818.92 and 259,157.93

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Solution

The fourth proportional to 440,485.88, 607,818.92 and 259,157.93 is: 357,607.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,485.88 : 607,818.92 = 259,157.93 : x
  2. Step 2: Convert to fraction form
    440,485.88/607,818.92 = 259,157.93/x
  3. Step 3: Cross multiply
    440,485.88x = 607,818.92 × 259,157.93
  4. Step 4: Simplify right side
    440,485.88x = 157,521,088,787.15
  5. Step 5: Solve for x
    x = 157,521,088,787.15/440,485.88
  6. Step 6: Final answer
    x = 357,607.58

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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.