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Finding the Fourth Proportional to 435,823.56, 601,422.56 and 242,230.32

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Solution

The fourth proportional to 435,823.56, 601,422.56 and 242,230.32 is: 334,270.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,823.56 : 601,422.56 = 242,230.32 : x
  2. Step 2: Convert to fraction form
    435,823.56/601,422.56 = 242,230.32/x
  3. Step 3: Cross multiply
    435,823.56x = 601,422.56 × 242,230.32
  4. Step 4: Simplify right side
    435,823.56x = 145,682,779,164.02
  5. Step 5: Solve for x
    x = 145,682,779,164.02/435,823.56
  6. Step 6: Final answer
    x = 334,270.09

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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.