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Finding the Fourth Proportional to 676,359.47, 933,405.41 and 374,553.47

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Solution

The fourth proportional to 676,359.47, 933,405.41 and 374,553.47 is: 516,900.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,359.47 : 933,405.41 = 374,553.47 : x
  2. Step 2: Convert to fraction form
    676,359.47/933,405.41 = 374,553.47/x
  3. Step 3: Cross multiply
    676,359.47x = 933,405.41 × 374,553.47
  4. Step 4: Simplify right side
    676,359.47x = 349,610,232,895.04
  5. Step 5: Solve for x
    x = 349,610,232,895.04/676,359.47
  6. Step 6: Final answer
    x = 516,900.03

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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.