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Finding the Fourth Proportional to 435,638.16, 601,173.08 and 242,047.65

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Solution

The fourth proportional to 435,638.16, 601,173.08 and 242,047.65 is: 334,021.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,638.16 : 601,173.08 = 242,047.65 : x
  2. Step 2: Convert to fraction form
    435,638.16/601,173.08 = 242,047.65/x
  3. Step 3: Cross multiply
    435,638.16x = 601,173.08 × 242,047.65
  4. Step 4: Simplify right side
    435,638.16x = 145,512,532,760.20
  5. Step 5: Solve for x
    x = 145,512,532,760.20/435,638.16
  6. Step 6: Final answer
    x = 334,021.55

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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.