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Finding the Fourth Proportional to 540,054.76, 745,281.80 and 298,332.27

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Solution

The fourth proportional to 540,054.76, 745,281.80 and 298,332.27 is: 411,701.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,054.76 : 745,281.80 = 298,332.27 : x
  2. Step 2: Convert to fraction form
    540,054.76/745,281.80 = 298,332.27/x
  3. Step 3: Cross multiply
    540,054.76x = 745,281.80 × 298,332.27
  4. Step 4: Simplify right side
    540,054.76x = 222,341,611,183.69
  5. Step 5: Solve for x
    x = 222,341,611,183.69/540,054.76
  6. Step 6: Final answer
    x = 411,701.97

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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.