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Finding the Fourth Proportional to 546,527.95, 819,816.51 and 167,421.01

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Solution

The fourth proportional to 546,527.95, 819,816.51 and 167,421.01 is: 251,139.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,527.95 : 819,816.51 = 167,421.01 : x
  2. Step 2: Convert to fraction form
    546,527.95/819,816.51 = 167,421.01/x
  3. Step 3: Cross multiply
    546,527.95x = 819,816.51 × 167,421.01
  4. Step 4: Simplify right side
    546,527.95x = 137,254,508,118.88
  5. Step 5: Solve for x
    x = 137,254,508,118.88/546,527.95
  6. Step 6: Final answer
    x = 251,139.05

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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.