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Finding the Fourth Proportional to 302,510.40, 454,093.65 and 190,317.30

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Solution

The fourth proportional to 302,510.40, 454,093.65 and 190,317.30 is: 285,682.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,510.40 : 454,093.65 = 190,317.30 : x
  2. Step 2: Convert to fraction form
    302,510.40/454,093.65 = 190,317.30/x
  3. Step 3: Cross multiply
    302,510.40x = 454,093.65 × 190,317.30
  4. Step 4: Simplify right side
    302,510.40x = 86,421,877,415.15
  5. Step 5: Solve for x
    x = 86,421,877,415.15/302,510.40
  6. Step 6: Final answer
    x = 285,682.33

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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.