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Finding the Fourth Proportional to 302,597.40, 453,896.10 and 136,709.40

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Solution

The fourth proportional to 302,597.40, 453,896.10 and 136,709.40 is: 205,064.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,597.40 : 453,896.10 = 136,709.40 : x
  2. Step 2: Convert to fraction form
    302,597.40/453,896.10 = 136,709.40/x
  3. Step 3: Cross multiply
    302,597.40x = 453,896.10 × 136,709.40
  4. Step 4: Simplify right side
    302,597.40x = 62,051,863,493.34
  5. Step 5: Solve for x
    x = 62,051,863,493.34/302,597.40
  6. Step 6: Final answer
    x = 205,064.10

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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.