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Finding the Fourth Proportional to 546,322.55, 818,609.03 and 359,115.35

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Solution

The fourth proportional to 546,322.55, 818,609.03 and 359,115.35 is: 538,097.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,322.55 : 818,609.03 = 359,115.35 : x
  2. Step 2: Convert to fraction form
    546,322.55/818,609.03 = 359,115.35/x
  3. Step 3: Cross multiply
    546,322.55x = 818,609.03 × 359,115.35
  4. Step 4: Simplify right side
    546,322.55x = 293,975,066,526.03
  5. Step 5: Solve for x
    x = 293,975,066,526.03/546,322.55
  6. Step 6: Final answer
    x = 538,097.99

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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.