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Finding the Fourth Proportional to 529,572.38, 730,806.93 and 300,173.04

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Solution

The fourth proportional to 529,572.38, 730,806.93 and 300,173.04 is: 414,237.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,572.38 : 730,806.93 = 300,173.04 : x
  2. Step 2: Convert to fraction form
    529,572.38/730,806.93 = 300,173.04/x
  3. Step 3: Cross multiply
    529,572.38x = 730,806.93 × 300,173.04
  4. Step 4: Simplify right side
    529,572.38x = 219,368,538,675.40
  5. Step 5: Solve for x
    x = 219,368,538,675.40/529,572.38
  6. Step 6: Final answer
    x = 414,237.12

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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.