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Finding the Fourth Proportional to 295,715.14, 407,662.00 and 210,684.58

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Solution

The fourth proportional to 295,715.14, 407,662.00 and 210,684.58 is: 290,442.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,715.14 : 407,662.00 = 210,684.58 : x
  2. Step 2: Convert to fraction form
    295,715.14/407,662.00 = 210,684.58/x
  3. Step 3: Cross multiply
    295,715.14x = 407,662.00 × 210,684.58
  4. Step 4: Simplify right side
    295,715.14x = 85,888,095,706.09
  5. Step 5: Solve for x
    x = 85,888,095,706.09/295,715.14
  6. Step 6: Final answer
    x = 290,442.00

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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.