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Finding the Fourth Proportional to 467,874.14, 645,666.59 and 253,014.19

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Solution

The fourth proportional to 467,874.14, 645,666.59 and 253,014.19 is: 349,159.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,874.14 : 645,666.59 = 253,014.19 : x
  2. Step 2: Convert to fraction form
    467,874.14/645,666.59 = 253,014.19/x
  3. Step 3: Cross multiply
    467,874.14x = 645,666.59 × 253,014.19
  4. Step 4: Simplify right side
    467,874.14x = 163,362,809,278.91
  5. Step 5: Solve for x
    x = 163,362,809,278.91/467,874.14
  6. Step 6: Final answer
    x = 349,159.73

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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.