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Finding the Fourth Proportional to 675,977.22, 932,840.01 and 407,705.22

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Solution

The fourth proportional to 675,977.22, 932,840.01 and 407,705.22 is: 562,628.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,977.22 : 932,840.01 = 407,705.22 : x
  2. Step 2: Convert to fraction form
    675,977.22/932,840.01 = 407,705.22/x
  3. Step 3: Cross multiply
    675,977.22x = 932,840.01 × 407,705.22
  4. Step 4: Simplify right side
    675,977.22x = 380,323,741,501.85
  5. Step 5: Solve for x
    x = 380,323,741,501.85/675,977.22
  6. Step 6: Final answer
    x = 562,628.04

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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.