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Finding the Fourth Proportional to 551,074.13, 760,840.92 and 336,338.67

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Solution

The fourth proportional to 551,074.13, 760,840.92 and 336,338.67 is: 464,366.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,074.13 : 760,840.92 = 336,338.67 : x
  2. Step 2: Convert to fraction form
    551,074.13/760,840.92 = 336,338.67/x
  3. Step 3: Cross multiply
    551,074.13x = 760,840.92 × 336,338.67
  4. Step 4: Simplify right side
    551,074.13x = 255,900,223,114.38
  5. Step 5: Solve for x
    x = 255,900,223,114.38/551,074.13
  6. Step 6: Final answer
    x = 464,366.25

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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.