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Finding the Fourth Proportional to 436,300.56, 602,083.80 and 245,313.72

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Solution

The fourth proportional to 436,300.56, 602,083.80 and 245,313.72 is: 338,526.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,300.56 : 602,083.80 = 245,313.72 : x
  2. Step 2: Convert to fraction form
    436,300.56/602,083.80 = 245,313.72/x
  3. Step 3: Cross multiply
    436,300.56x = 602,083.80 × 245,313.72
  4. Step 4: Simplify right side
    436,300.56x = 147,699,416,729.74
  5. Step 5: Solve for x
    x = 147,699,416,729.74/436,300.56
  6. Step 6: Final answer
    x = 338,526.76

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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.