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Finding the Fourth Proportional to 561,188.69, 841,907.42 and 161,798.30

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Solution

The fourth proportional to 561,188.69, 841,907.42 and 161,798.30 is: 242,733.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,188.69 : 841,907.42 = 161,798.30 : x
  2. Step 2: Convert to fraction form
    561,188.69/841,907.42 = 161,798.30/x
  3. Step 3: Cross multiply
    561,188.69x = 841,907.42 × 161,798.30
  4. Step 4: Simplify right side
    561,188.69x = 136,219,184,294.86
  5. Step 5: Solve for x
    x = 136,219,184,294.86/561,188.69
  6. Step 6: Final answer
    x = 242,733.31

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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.