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Finding the Fourth Proportional to 529,875.46, 730,857.49 and 348,529.42

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Solution

The fourth proportional to 529,875.46, 730,857.49 and 348,529.42 is: 480,726.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,875.46 : 730,857.49 = 348,529.42 : x
  2. Step 2: Convert to fraction form
    529,875.46/730,857.49 = 348,529.42/x
  3. Step 3: Cross multiply
    529,875.46x = 730,857.49 × 348,529.42
  4. Step 4: Simplify right side
    529,875.46x = 254,725,337,092.36
  5. Step 5: Solve for x
    x = 254,725,337,092.36/529,875.46
  6. Step 6: Final answer
    x = 480,726.81

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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.