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Finding the Fourth Proportional to 529,417.09, 730,092.72 and 348,282.46

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Solution

The fourth proportional to 529,417.09, 730,092.72 and 348,282.46 is: 480,298.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,417.09 : 730,092.72 = 348,282.46 : x
  2. Step 2: Convert to fraction form
    529,417.09/730,092.72 = 348,282.46/x
  3. Step 3: Cross multiply
    529,417.09x = 730,092.72 × 348,282.46
  4. Step 4: Simplify right side
    529,417.09x = 254,278,488,549.69
  5. Step 5: Solve for x
    x = 254,278,488,549.69/529,417.09
  6. Step 6: Final answer
    x = 480,298.98

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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.