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Finding the Fourth Proportional to 671,714, 926,966.60 and 369,936.08

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Solution

The fourth proportional to 671,714, 926,966.60 and 369,936.08 is: 510,512.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,714 : 926,966.60 = 369,936.08 : x
  2. Step 2: Convert to fraction form
    671,714/926,966.60 = 369,936.08/x
  3. Step 3: Cross multiply
    671,714x = 926,966.60 × 369,936.08
  4. Step 4: Simplify right side
    671,714x = 342,918,390,294.93
  5. Step 5: Solve for x
    x = 342,918,390,294.93/671,714
  6. Step 6: Final answer
    x = 510,512.50

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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.