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Finding the Fourth Proportional to 243,506.76, 365,342.16 and 153,444.88

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Solution

The fourth proportional to 243,506.76, 365,342.16 and 153,444.88 is: 230,219.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,506.76 : 365,342.16 = 153,444.88 : x
  2. Step 2: Convert to fraction form
    243,506.76/365,342.16 = 153,444.88/x
  3. Step 3: Cross multiply
    243,506.76x = 365,342.16 × 153,444.88
  4. Step 4: Simplify right side
    243,506.76x = 56,059,883,900.14
  5. Step 5: Solve for x
    x = 56,059,883,900.14/243,506.76
  6. Step 6: Final answer
    x = 230,219.00

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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.