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Finding the Fourth Proportional to 371,301.75, 512,353.80 and 207,935.46

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Solution

The fourth proportional to 371,301.75, 512,353.80 and 207,935.46 is: 286,927.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,301.75 : 512,353.80 = 207,935.46 : x
  2. Step 2: Convert to fraction form
    371,301.75/512,353.80 = 207,935.46/x
  3. Step 3: Cross multiply
    371,301.75x = 512,353.80 × 207,935.46
  4. Step 4: Simplify right side
    371,301.75x = 106,536,523,085.75
  5. Step 5: Solve for x
    x = 106,536,523,085.75/371,301.75
  6. Step 6: Final answer
    x = 286,927.07

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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.