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Finding the Fourth Proportional to 243,497.98, 365,328.98 and 153,436.10

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Solution

The fourth proportional to 243,497.98, 365,328.98 and 153,436.10 is: 230,205.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,497.98 : 365,328.98 = 153,436.10 : x
  2. Step 2: Convert to fraction form
    243,497.98/365,328.98 = 153,436.10/x
  3. Step 3: Cross multiply
    243,497.98x = 365,328.98 × 153,436.10
  4. Step 4: Simplify right side
    243,497.98x = 56,054,653,141.00
  5. Step 5: Solve for x
    x = 56,054,653,141.00/243,497.98
  6. Step 6: Final answer
    x = 230,205.83

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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.