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Finding the Fourth Proportional to 529,575.39, 730,811.07 and 300,176.04

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Solution

The fourth proportional to 529,575.39, 730,811.07 and 300,176.04 is: 414,241.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,575.39 : 730,811.07 = 300,176.04 : x
  2. Step 2: Convert to fraction form
    529,575.39/730,811.07 = 300,176.04/x
  3. Step 3: Cross multiply
    529,575.39x = 730,811.07 × 300,176.04
  4. Step 4: Simplify right side
    529,575.39x = 219,371,972,980.76
  5. Step 5: Solve for x
    x = 219,371,972,980.76/529,575.39
  6. Step 6: Final answer
    x = 414,241.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.