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Finding the Fourth Proportional to 746,782.98, 1,030,519.98 and 424,448.34

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Solution

The fourth proportional to 746,782.98, 1,030,519.98 and 424,448.34 is: 585,715.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,782.98 : 1,030,519.98 = 424,448.34 : x
  2. Step 2: Convert to fraction form
    746,782.98/1,030,519.98 = 424,448.34/x
  3. Step 3: Cross multiply
    746,782.98x = 1,030,519.98 × 424,448.34
  4. Step 4: Simplify right side
    746,782.98x = 437,402,494,847.83
  5. Step 5: Solve for x
    x = 437,402,494,847.83/746,782.98
  6. Step 6: Final answer
    x = 585,715.67

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Double scale
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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.