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Finding the Fourth Proportional to 467,812.86, 645,582.11 and 252,953.07

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Solution

The fourth proportional to 467,812.86, 645,582.11 and 252,953.07 is: 349,075.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,812.86 : 645,582.11 = 252,953.07 : x
  2. Step 2: Convert to fraction form
    467,812.86/645,582.11 = 252,953.07/x
  3. Step 3: Cross multiply
    467,812.86x = 645,582.11 × 252,953.07
  4. Step 4: Simplify right side
    467,812.86x = 163,301,976,661.58
  5. Step 5: Solve for x
    x = 163,301,976,661.58/467,812.86
  6. Step 6: Final answer
    x = 349,075.43

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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.