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Finding the Fourth Proportional to 610,364.25, 915,596.19 and 306,602.17

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Solution

The fourth proportional to 610,364.25, 915,596.19 and 306,602.17 is: 459,928.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,364.25 : 915,596.19 = 306,602.17 : x
  2. Step 2: Convert to fraction form
    610,364.25/915,596.19 = 306,602.17/x
  3. Step 3: Cross multiply
    610,364.25x = 915,596.19 × 306,602.17
  4. Step 4: Simplify right side
    610,364.25x = 280,723,776,408.74
  5. Step 5: Solve for x
    x = 280,723,776,408.74/610,364.25
  6. Step 6: Final answer
    x = 459,928.27

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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.