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Finding the Fourth Proportional to 565,605.51, 780,703.86 and 324,048.93

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Solution

The fourth proportional to 565,605.51, 780,703.86 and 324,048.93 is: 447,283.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,605.51 : 780,703.86 = 324,048.93 : x
  2. Step 2: Convert to fraction form
    565,605.51/780,703.86 = 324,048.93/x
  3. Step 3: Cross multiply
    565,605.51x = 780,703.86 × 324,048.93
  4. Step 4: Simplify right side
    565,605.51x = 252,986,250,479.87
  5. Step 5: Solve for x
    x = 252,986,250,479.87/565,605.51
  6. Step 6: Final answer
    x = 447,283.92

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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.