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Finding the Fourth Proportional to 858,346.96, 1,183,695.96 and 514,127.92

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Solution

The fourth proportional to 858,346.96, 1,183,695.96 and 514,127.92 is: 709,003.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,346.96 : 1,183,695.96 = 514,127.92 : x
  2. Step 2: Convert to fraction form
    858,346.96/1,183,695.96 = 514,127.92/x
  3. Step 3: Cross multiply
    858,346.96x = 1,183,695.96 × 514,127.92
  4. Step 4: Simplify right side
    858,346.96x = 608,571,141,827.20
  5. Step 5: Solve for x
    x = 608,571,141,827.20/858,346.96
  6. Step 6: Final answer
    x = 709,003.67

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Double scale
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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.