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Finding the Fourth Proportional to 849,952, 1,172,910.54 and 467,980.84

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Solution

The fourth proportional to 849,952, 1,172,910.54 and 467,980.84 is: 645,800.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,952 : 1,172,910.54 = 467,980.84 : x
  2. Step 2: Convert to fraction form
    849,952/1,172,910.54 = 467,980.84/x
  3. Step 3: Cross multiply
    849,952x = 1,172,910.54 × 467,980.84
  4. Step 4: Simplify right side
    849,952x = 548,899,659,754.05
  5. Step 5: Solve for x
    x = 548,899,659,754.05/849,952
  6. Step 6: Final answer
    x = 645,800.77

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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.