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Finding the Fourth Proportional to 1,065,573, 1,470,490.74 and 588,645

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Solution

The fourth proportional to 1,065,573, 1,470,490.74 and 588,645 is: 812,330.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,573 : 1,470,490.74 = 588,645 : x
  2. Step 2: Convert to fraction form
    1,065,573/1,470,490.74 = 588,645/x
  3. Step 3: Cross multiply
    1,065,573x = 1,470,490.74 × 588,645
  4. Step 4: Simplify right side
    1,065,573x = 865,597,021,647.30
  5. Step 5: Solve for x
    x = 865,597,021,647.30/1,065,573
  6. Step 6: Final answer
    x = 812,330.10

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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.