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Finding the Fourth Proportional to 565,853.86, 780,883.56 and 307,733.26

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Solution

The fourth proportional to 565,853.86, 780,883.56 and 307,733.26 is: 424,674.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,853.86 : 780,883.56 = 307,733.26 : x
  2. Step 2: Convert to fraction form
    565,853.86/780,883.56 = 307,733.26/x
  3. Step 3: Cross multiply
    565,853.86x = 780,883.56 × 307,733.26
  4. Step 4: Simplify right side
    565,853.86x = 240,303,843,599.21
  5. Step 5: Solve for x
    x = 240,303,843,599.21/565,853.86
  6. Step 6: Final answer
    x = 424,674.74

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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.