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Finding the Fourth Proportional to 357,329.52, 535,987.80 and 301,528.08

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Solution

The fourth proportional to 357,329.52, 535,987.80 and 301,528.08 is: 452,286.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,329.52 : 535,987.80 = 301,528.08 : x
  2. Step 2: Convert to fraction form
    357,329.52/535,987.80 = 301,528.08/x
  3. Step 3: Cross multiply
    357,329.52x = 535,987.80 × 301,528.08
  4. Step 4: Simplify right side
    357,329.52x = 161,615,372,237.42
  5. Step 5: Solve for x
    x = 161,615,372,237.42/357,329.52
  6. Step 6: Final answer
    x = 452,286.65

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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.