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Finding the Fourth Proportional to 561,010.70, 841,516.05 and 181,930.70

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Solution

The fourth proportional to 561,010.70, 841,516.05 and 181,930.70 is: 272,896.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,010.70 : 841,516.05 = 181,930.70 : x
  2. Step 2: Convert to fraction form
    561,010.70/841,516.05 = 181,930.70/x
  3. Step 3: Cross multiply
    561,010.70x = 841,516.05 × 181,930.70
  4. Step 4: Simplify right side
    561,010.70x = 153,097,604,037.74
  5. Step 5: Solve for x
    x = 153,097,604,037.74/561,010.70
  6. Step 6: Final answer
    x = 272,896.05

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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.