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Finding the Fourth Proportional to 353,653.55, 530,182.77 and 153,823.43

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Solution

The fourth proportional to 353,653.55, 530,182.77 and 153,823.43 is: 230,605.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,653.55 : 530,182.77 = 153,823.43 : x
  2. Step 2: Convert to fraction form
    353,653.55/530,182.77 = 153,823.43/x
  3. Step 3: Cross multiply
    353,653.55x = 530,182.77 × 153,823.43
  4. Step 4: Simplify right side
    353,653.55x = 81,554,533,533.76
  5. Step 5: Solve for x
    x = 81,554,533,533.76/353,653.55
  6. Step 6: Final answer
    x = 230,605.72

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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.