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Finding the Fourth Proportional to 302,570.96, 453,905.70 and 89,360.44

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Solution

The fourth proportional to 302,570.96, 453,905.70 and 89,360.44 is: 134,055.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,570.96 : 453,905.70 = 89,360.44 : x
  2. Step 2: Convert to fraction form
    302,570.96/453,905.70 = 89,360.44/x
  3. Step 3: Cross multiply
    302,570.96x = 453,905.70 × 89,360.44
  4. Step 4: Simplify right side
    302,570.96x = 40,561,213,070.51
  5. Step 5: Solve for x
    x = 40,561,213,070.51/302,570.96
  6. Step 6: Final answer
    x = 134,055.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.