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Finding the Fourth Proportional to 292,998.39, 437,034.41 and 266,090.10

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Solution

The fourth proportional to 292,998.39, 437,034.41 and 266,090.10 is: 396,898.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,998.39 : 437,034.41 = 266,090.10 : x
  2. Step 2: Convert to fraction form
    292,998.39/437,034.41 = 266,090.10/x
  3. Step 3: Cross multiply
    292,998.39x = 437,034.41 × 266,090.10
  4. Step 4: Simplify right side
    292,998.39x = 116,290,528,529.89
  5. Step 5: Solve for x
    x = 116,290,528,529.89/292,998.39
  6. Step 6: Final answer
    x = 396,898.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.