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Finding the Fourth Proportional to 436,407.81, 602,189.88 and 242,769.77

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Solution

The fourth proportional to 436,407.81, 602,189.88 and 242,769.77 is: 334,992.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,407.81 : 602,189.88 = 242,769.77 : x
  2. Step 2: Convert to fraction form
    436,407.81/602,189.88 = 242,769.77/x
  3. Step 3: Cross multiply
    436,407.81x = 602,189.88 × 242,769.77
  4. Step 4: Simplify right side
    436,407.81x = 146,193,495,652.98
  5. Step 5: Solve for x
    x = 146,193,495,652.98/436,407.81
  6. Step 6: Final answer
    x = 334,992.85

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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.