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Finding the Fourth Proportional to 424,705.21, 586,093.32 and 233,718.61

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Solution

The fourth proportional to 424,705.21, 586,093.32 and 233,718.61 is: 322,531.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,705.21 : 586,093.32 = 233,718.61 : x
  2. Step 2: Convert to fraction form
    424,705.21/586,093.32 = 233,718.61/x
  3. Step 3: Cross multiply
    424,705.21x = 586,093.32 × 233,718.61
  4. Step 4: Simplify right side
    424,705.21x = 136,980,911,981.63
  5. Step 5: Solve for x
    x = 136,980,911,981.63/424,705.21
  6. Step 6: Final answer
    x = 322,531.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.