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Finding the Fourth Proportional to 588,886.90, 812,602.89 and 330,792.82

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Solution

The fourth proportional to 588,886.90, 812,602.89 and 330,792.82 is: 456,459.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,886.90 : 812,602.89 = 330,792.82 : x
  2. Step 2: Convert to fraction form
    588,886.90/812,602.89 = 330,792.82/x
  3. Step 3: Cross multiply
    588,886.90x = 812,602.89 × 330,792.82
  4. Step 4: Simplify right side
    588,886.90x = 268,803,201,523.25
  5. Step 5: Solve for x
    x = 268,803,201,523.25/588,886.90
  6. Step 6: Final answer
    x = 456,459.81

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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.