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Finding the Fourth Proportional to 561,018.44, 841,535.10 and 187,041.56

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Solution

The fourth proportional to 561,018.44, 841,535.10 and 187,041.56 is: 280,564.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,018.44 : 841,535.10 = 187,041.56 : x
  2. Step 2: Convert to fraction form
    561,018.44/841,535.10 = 187,041.56/x
  3. Step 3: Cross multiply
    561,018.44x = 841,535.10 × 187,041.56
  4. Step 4: Simplify right side
    561,018.44x = 157,402,037,898.76
  5. Step 5: Solve for x
    x = 157,402,037,898.76/561,018.44
  6. Step 6: Final answer
    x = 280,564.82

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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.