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Finding the Fourth Proportional to 527,626.53, 787,619.32 and 463,782.53

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Solution

The fourth proportional to 527,626.53, 787,619.32 and 463,782.53 is: 692,315.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,626.53 : 787,619.32 = 463,782.53 : x
  2. Step 2: Convert to fraction form
    527,626.53/787,619.32 = 463,782.53/x
  3. Step 3: Cross multiply
    527,626.53x = 787,619.32 × 463,782.53
  4. Step 4: Simplify right side
    527,626.53x = 365,284,081,716.07
  5. Step 5: Solve for x
    x = 365,284,081,716.07/527,626.53
  6. Step 6: Final answer
    x = 692,315.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.