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Finding the Fourth Proportional to 573,112.64, 790,836.54 and 358,276.34

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Solution

The fourth proportional to 573,112.64, 790,836.54 and 358,276.34 is: 494,384.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,112.64 : 790,836.54 = 358,276.34 : x
  2. Step 2: Convert to fraction form
    573,112.64/790,836.54 = 358,276.34/x
  3. Step 3: Cross multiply
    573,112.64x = 790,836.54 × 358,276.34
  4. Step 4: Simplify right side
    573,112.64x = 283,338,021,089.46
  5. Step 5: Solve for x
    x = 283,338,021,089.46/573,112.64
  6. Step 6: Final answer
    x = 494,384.53

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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.