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Finding the Fourth Proportional to 610,366.26, 915,599.20 and 306,604.16

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Solution

The fourth proportional to 610,366.26, 915,599.20 and 306,604.16 is: 459,931.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,366.26 : 915,599.20 = 306,604.16 : x
  2. Step 2: Convert to fraction form
    610,366.26/915,599.20 = 306,604.16/x
  3. Step 3: Cross multiply
    610,366.26x = 915,599.20 × 306,604.16
  4. Step 4: Simplify right side
    610,366.26x = 280,726,523,612.67
  5. Step 5: Solve for x
    x = 280,726,523,612.67/610,366.26
  6. Step 6: Final answer
    x = 459,931.26

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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.