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Finding the Fourth Proportional to 610,314.82, 915,347.08 and 231,104.77

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Solution

The fourth proportional to 610,314.82, 915,347.08 and 231,104.77 is: 346,609.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,314.82 : 915,347.08 = 231,104.77 : x
  2. Step 2: Convert to fraction form
    610,314.82/915,347.08 = 231,104.77/x
  3. Step 3: Cross multiply
    610,314.82x = 915,347.08 × 231,104.77
  4. Step 4: Simplify right side
    610,314.82x = 211,541,076,393.57
  5. Step 5: Solve for x
    x = 211,541,076,393.57/610,314.82
  6. Step 6: Final answer
    x = 346,609.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.