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Finding the Fourth Proportional to 573,984.23, 791,768.40 and 358,750.76

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Solution

The fourth proportional to 573,984.23, 791,768.40 and 358,750.76 is: 494,869.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,984.23 : 791,768.40 = 358,750.76 : x
  2. Step 2: Convert to fraction form
    573,984.23/791,768.40 = 358,750.76/x
  3. Step 3: Cross multiply
    573,984.23x = 791,768.40 × 358,750.76
  4. Step 4: Simplify right side
    573,984.23x = 284,047,515,243.98
  5. Step 5: Solve for x
    x = 284,047,515,243.98/573,984.23
  6. Step 6: Final answer
    x = 494,869.89

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Double scale
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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.