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Finding the Fourth Proportional to 532,550.51, 734,925.56 and 290,840.20

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Solution

The fourth proportional to 532,550.51, 734,925.56 and 290,840.20 is: 401,362.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,550.51 : 734,925.56 = 290,840.20 : x
  2. Step 2: Convert to fraction form
    532,550.51/734,925.56 = 290,840.20/x
  3. Step 3: Cross multiply
    532,550.51x = 734,925.56 × 290,840.20
  4. Step 4: Simplify right side
    532,550.51x = 213,745,896,855.51
  5. Step 5: Solve for x
    x = 213,745,896,855.51/532,550.51
  6. Step 6: Final answer
    x = 401,362.67

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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.