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Finding the Fourth Proportional to 713,608.70, 1,068,922.65 and 334,852.70

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Solution

The fourth proportional to 713,608.70, 1,068,922.65 and 334,852.70 is: 501,579.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,608.70 : 1,068,922.65 = 334,852.70 : x
  2. Step 2: Convert to fraction form
    713,608.70/1,068,922.65 = 334,852.70/x
  3. Step 3: Cross multiply
    713,608.70x = 1,068,922.65 × 334,852.70
  4. Step 4: Simplify right side
    713,608.70x = 357,931,635,443.66
  5. Step 5: Solve for x
    x = 357,931,635,443.66/713,608.70
  6. Step 6: Final answer
    x = 501,579.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.