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Finding the Fourth Proportional to 529,068.31, 730,323.64 and 368,016.82

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Solution

The fourth proportional to 529,068.31, 730,323.64 and 368,016.82 is: 508,008.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,068.31 : 730,323.64 = 368,016.82 : x
  2. Step 2: Convert to fraction form
    529,068.31/730,323.64 = 368,016.82/x
  3. Step 3: Cross multiply
    529,068.31x = 730,323.64 × 368,016.82
  4. Step 4: Simplify right side
    529,068.31x = 268,771,382,197.84
  5. Step 5: Solve for x
    x = 268,771,382,197.84/529,068.31
  6. Step 6: Final answer
    x = 508,008.85

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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.