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Finding the Fourth Proportional to 445,159.91, 614,291.63 and 283,997.67

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Solution

The fourth proportional to 445,159.91, 614,291.63 and 283,997.67 is: 391,898.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,159.91 : 614,291.63 = 283,997.67 : x
  2. Step 2: Convert to fraction form
    445,159.91/614,291.63 = 283,997.67/x
  3. Step 3: Cross multiply
    445,159.91x = 614,291.63 × 283,997.67
  4. Step 4: Simplify right side
    445,159.91x = 174,457,390,200.51
  5. Step 5: Solve for x
    x = 174,457,390,200.51/445,159.91
  6. Step 6: Final answer
    x = 391,898.26

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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.