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Finding the Fourth Proportional to 371,925.71, 513,247.32 and 210,795.71

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Solution

The fourth proportional to 371,925.71, 513,247.32 and 210,795.71 is: 290,892.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,925.71 : 513,247.32 = 210,795.71 : x
  2. Step 2: Convert to fraction form
    371,925.71/513,247.32 = 210,795.71/x
  3. Step 3: Cross multiply
    371,925.71x = 513,247.32 × 210,795.71
  4. Step 4: Simplify right side
    371,925.71x = 108,190,330,658.76
  5. Step 5: Solve for x
    x = 108,190,330,658.76/371,925.71
  6. Step 6: Final answer
    x = 290,892.32

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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.