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Finding the Fourth Proportional to 561,280.98, 841,928.68 and 187,303.98

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Solution

The fourth proportional to 561,280.98, 841,928.68 and 187,303.98 is: 280,958.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,280.98 : 841,928.68 = 187,303.98 : x
  2. Step 2: Convert to fraction form
    561,280.98/841,928.68 = 187,303.98/x
  3. Step 3: Cross multiply
    561,280.98x = 841,928.68 × 187,303.98
  4. Step 4: Simplify right side
    561,280.98x = 157,696,592,640.15
  5. Step 5: Solve for x
    x = 157,696,592,640.15/561,280.98
  6. Step 6: Final answer
    x = 280,958.38

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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.