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Finding the Fourth Proportional to 567,596.94, 783,289.88 and 309,471.76

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Solution

The fourth proportional to 567,596.94, 783,289.88 and 309,471.76 is: 427,074.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,596.94 : 783,289.88 = 309,471.76 : x
  2. Step 2: Convert to fraction form
    567,596.94/783,289.88 = 309,471.76/x
  3. Step 3: Cross multiply
    567,596.94x = 783,289.88 × 309,471.76
  4. Step 4: Simplify right side
    567,596.94x = 242,406,098,346.06
  5. Step 5: Solve for x
    x = 242,406,098,346.06/567,596.94
  6. Step 6: Final answer
    x = 427,074.36

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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.