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Finding the Fourth Proportional to 436,243.56, 602,009.70 and 242,649.24

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Solution

The fourth proportional to 436,243.56, 602,009.70 and 242,649.24 is: 334,852.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,243.56 : 602,009.70 = 242,649.24 : x
  2. Step 2: Convert to fraction form
    436,243.56/602,009.70 = 242,649.24/x
  3. Step 3: Cross multiply
    436,243.56x = 602,009.70 × 242,649.24
  4. Step 4: Simplify right side
    436,243.56x = 146,077,196,177.63
  5. Step 5: Solve for x
    x = 146,077,196,177.63/436,243.56
  6. Step 6: Final answer
    x = 334,852.38

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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.