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Finding the Fourth Proportional to 529,575.02, 730,810.55 and 300,175.67

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Solution

The fourth proportional to 529,575.02, 730,810.55 and 300,175.67 is: 414,240.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,575.02 : 730,810.55 = 300,175.67 : x
  2. Step 2: Convert to fraction form
    529,575.02/730,810.55 = 300,175.67/x
  3. Step 3: Cross multiply
    529,575.02x = 730,810.55 × 300,175.67
  4. Step 4: Simplify right side
    529,575.02x = 219,371,541,334.39
  5. Step 5: Solve for x
    x = 219,371,541,334.39/529,575.02
  6. Step 6: Final answer
    x = 414,240.73

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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.