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Finding the Fourth Proportional to 590,966.80, 885,931.80 and 354,403.60

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Solution

The fourth proportional to 590,966.80, 885,931.80 and 354,403.60 is: 531,294.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,966.80 : 885,931.80 = 354,403.60 : x
  2. Step 2: Convert to fraction form
    590,966.80/885,931.80 = 354,403.60/x
  3. Step 3: Cross multiply
    590,966.80x = 885,931.80 × 354,403.60
  4. Step 4: Simplify right side
    590,966.80x = 313,977,419,274.48
  5. Step 5: Solve for x
    x = 313,977,419,274.48/590,966.80
  6. Step 6: Final answer
    x = 531,294.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.