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Finding the Fourth Proportional to 561,248.72, 841,880.37 and 187,271.72

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Solution

The fourth proportional to 561,248.72, 841,880.37 and 187,271.72 is: 280,910.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,248.72 : 841,880.37 = 187,271.72 : x
  2. Step 2: Convert to fraction form
    561,248.72/841,880.37 = 187,271.72/x
  3. Step 3: Cross multiply
    561,248.72x = 841,880.37 × 187,271.72
  4. Step 4: Simplify right side
    561,248.72x = 157,660,384,574.06
  5. Step 5: Solve for x
    x = 157,660,384,574.06/561,248.72
  6. Step 6: Final answer
    x = 280,910.01

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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.