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Finding the Fourth Proportional to 598,639.26, 898,106.51 and 177,915.13

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Solution

The fourth proportional to 598,639.26, 898,106.51 and 177,915.13 is: 266,916.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,639.26 : 898,106.51 = 177,915.13 : x
  2. Step 2: Convert to fraction form
    598,639.26/898,106.51 = 177,915.13/x
  3. Step 3: Cross multiply
    598,639.26x = 898,106.51 × 177,915.13
  4. Step 4: Simplify right side
    598,639.26x = 159,786,736,480.50
  5. Step 5: Solve for x
    x = 159,786,736,480.50/598,639.26
  6. Step 6: Final answer
    x = 266,916.57

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Double scale
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Similar ratio
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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.