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Finding the Fourth Proportional to 369,450.98, 554,004.24 and 191,910.32

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Solution

The fourth proportional to 369,450.98, 554,004.24 and 191,910.32 is: 287,776.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,450.98 : 554,004.24 = 191,910.32 : x
  2. Step 2: Convert to fraction form
    369,450.98/554,004.24 = 191,910.32/x
  3. Step 3: Cross multiply
    369,450.98x = 554,004.24 × 191,910.32
  4. Step 4: Simplify right side
    369,450.98x = 106,319,130,979.76
  5. Step 5: Solve for x
    x = 106,319,130,979.76/369,450.98
  6. Step 6: Final answer
    x = 287,776.02

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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.