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Finding the Fourth Proportional to 440,185.32, 607,600.44 and 258,889.50

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Solution

The fourth proportional to 440,185.32, 607,600.44 and 258,889.50 is: 357,352.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,185.32 : 607,600.44 = 258,889.50 : x
  2. Step 2: Convert to fraction form
    440,185.32/607,600.44 = 258,889.50/x
  3. Step 3: Cross multiply
    440,185.32x = 607,600.44 × 258,889.50
  4. Step 4: Simplify right side
    440,185.32x = 157,301,374,111.38
  5. Step 5: Solve for x
    x = 157,301,374,111.38/440,185.32
  6. Step 6: Final answer
    x = 357,352.61

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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.