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Finding the Fourth Proportional to 266,522.40, 367,804.80 and 151,826.40

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Solution

The fourth proportional to 266,522.40, 367,804.80 and 151,826.40 is: 209,522.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,522.40 : 367,804.80 = 151,826.40 : x
  2. Step 2: Convert to fraction form
    266,522.40/367,804.80 = 151,826.40/x
  3. Step 3: Cross multiply
    266,522.40x = 367,804.80 × 151,826.40
  4. Step 4: Simplify right side
    266,522.40x = 55,842,478,686.72
  5. Step 5: Solve for x
    x = 55,842,478,686.72/266,522.40
  6. Step 6: Final answer
    x = 209,522.65

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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.