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Finding the Fourth Proportional to 527,457.80, 791,208.30 and 153,480.80

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Solution

The fourth proportional to 527,457.80, 791,208.30 and 153,480.80 is: 230,227.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,457.80 : 791,208.30 = 153,480.80 : x
  2. Step 2: Convert to fraction form
    527,457.80/791,208.30 = 153,480.80/x
  3. Step 3: Cross multiply
    527,457.80x = 791,208.30 × 153,480.80
  4. Step 4: Simplify right side
    527,457.80x = 121,435,282,850.64
  5. Step 5: Solve for x
    x = 121,435,282,850.64/527,457.80
  6. Step 6: Final answer
    x = 230,227.49

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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.