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Finding the Fourth Proportional to 577,984.40, 797,642.88 and 357,270.74

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Solution

The fourth proportional to 577,984.40, 797,642.88 and 357,270.74 is: 493,048.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,984.40 : 797,642.88 = 357,270.74 : x
  2. Step 2: Convert to fraction form
    577,984.40/797,642.88 = 357,270.74/x
  3. Step 3: Cross multiply
    577,984.40x = 797,642.88 × 357,270.74
  4. Step 4: Simplify right side
    577,984.40x = 284,974,461,993.33
  5. Step 5: Solve for x
    x = 284,974,461,993.33/577,984.40
  6. Step 6: Final answer
    x = 493,048.71

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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.