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Finding the Fourth Proportional to 463,556.40, 695,334.60 and 358,450.80

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Solution

The fourth proportional to 463,556.40, 695,334.60 and 358,450.80 is: 537,676.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,556.40 : 695,334.60 = 358,450.80 : x
  2. Step 2: Convert to fraction form
    463,556.40/695,334.60 = 358,450.80/x
  3. Step 3: Cross multiply
    463,556.40x = 695,334.60 × 358,450.80
  4. Step 4: Simplify right side
    463,556.40x = 249,243,243,637.68
  5. Step 5: Solve for x
    x = 249,243,243,637.68/463,556.40
  6. Step 6: Final answer
    x = 537,676.20

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.