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Finding the Fourth Proportional to 302,572.60, 453,858.90 and 208,094.20

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Solution

The fourth proportional to 302,572.60, 453,858.90 and 208,094.20 is: 312,141.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,572.60 : 453,858.90 = 208,094.20 : x
  2. Step 2: Convert to fraction form
    302,572.60/453,858.90 = 208,094.20/x
  3. Step 3: Cross multiply
    302,572.60x = 453,858.90 × 208,094.20
  4. Step 4: Simplify right side
    302,572.60x = 94,445,404,708.38
  5. Step 5: Solve for x
    x = 94,445,404,708.38/302,572.60
  6. Step 6: Final answer
    x = 312,141.30

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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.