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Finding the Fourth Proportional to 371,232.59, 512,300.70 and 210,084.71

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Solution

The fourth proportional to 371,232.59, 512,300.70 and 210,084.71 is: 289,916.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,232.59 : 512,300.70 = 210,084.71 : x
  2. Step 2: Convert to fraction form
    371,232.59/512,300.70 = 210,084.71/x
  3. Step 3: Cross multiply
    371,232.59x = 512,300.70 × 210,084.71
  4. Step 4: Simplify right side
    371,232.59x = 107,626,541,430.79
  5. Step 5: Solve for x
    x = 107,626,541,430.79/371,232.59
  6. Step 6: Final answer
    x = 289,916.74

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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.