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Finding the Fourth Proportional to 555,841.34, 833,557.79 and 190,999.49

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Solution

The fourth proportional to 555,841.34, 833,557.79 and 190,999.49 is: 286,429.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,841.34 : 833,557.79 = 190,999.49 : x
  2. Step 2: Convert to fraction form
    555,841.34/833,557.79 = 190,999.49/x
  3. Step 3: Cross multiply
    555,841.34x = 833,557.79 × 190,999.49
  4. Step 4: Simplify right side
    555,841.34x = 159,209,108,010.87
  5. Step 5: Solve for x
    x = 159,209,108,010.87/555,841.34
  6. Step 6: Final answer
    x = 286,429.05

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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.