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Finding the Fourth Proportional to 529,607.76, 730,675.08 and 338,732.88

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Solution

The fourth proportional to 529,607.76, 730,675.08 and 338,732.88 is: 467,333.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,607.76 : 730,675.08 = 338,732.88 : x
  2. Step 2: Convert to fraction form
    529,607.76/730,675.08 = 338,732.88/x
  3. Step 3: Cross multiply
    529,607.76x = 730,675.08 × 338,732.88
  4. Step 4: Simplify right side
    529,607.76x = 247,503,674,192.63
  5. Step 5: Solve for x
    x = 247,503,674,192.63/529,607.76
  6. Step 6: Final answer
    x = 467,333.93

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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.