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Finding the Fourth Proportional to 529,436.86, 730,253.28 and 348,090.82

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Solution

The fourth proportional to 529,436.86, 730,253.28 and 348,090.82 is: 480,122.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,436.86 : 730,253.28 = 348,090.82 : x
  2. Step 2: Convert to fraction form
    529,436.86/730,253.28 = 348,090.82/x
  3. Step 3: Cross multiply
    529,436.86x = 730,253.28 × 348,090.82
  4. Step 4: Simplify right side
    529,436.86x = 254,194,463,042.89
  5. Step 5: Solve for x
    x = 254,194,463,042.89/529,436.86
  6. Step 6: Final answer
    x = 480,122.34

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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.