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Finding the Fourth Proportional to 535,476.64, 803,220.72 and 161,502.88

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Solution

The fourth proportional to 535,476.64, 803,220.72 and 161,502.88 is: 242,256.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,476.64 : 803,220.72 = 161,502.88 : x
  2. Step 2: Convert to fraction form
    535,476.64/803,220.72 = 161,502.88/x
  3. Step 3: Cross multiply
    535,476.64x = 803,220.72 × 161,502.88
  4. Step 4: Simplify right side
    535,476.64x = 129,722,459,555.67
  5. Step 5: Solve for x
    x = 129,722,459,555.67/535,476.64
  6. Step 6: Final answer
    x = 242,256.06

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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.