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Finding the Fourth Proportional to 301,658.23, 452,486.94 and 77,018.70

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Solution

The fourth proportional to 301,658.23, 452,486.94 and 77,018.70 is: 115,527.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,658.23 : 452,486.94 = 77,018.70 : x
  2. Step 2: Convert to fraction form
    301,658.23/452,486.94 = 77,018.70/x
  3. Step 3: Cross multiply
    301,658.23x = 452,486.94 × 77,018.70
  4. Step 4: Simplify right side
    301,658.23x = 34,849,955,885.78
  5. Step 5: Solve for x
    x = 34,849,955,885.78/301,658.23
  6. Step 6: Final answer
    x = 115,527.95

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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.