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Finding the Fourth Proportional to 567.97, 783.64 and 346.93

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Solution

The fourth proportional to 567.97, 783.64 and 346.93 is: 478.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    567.97 : 783.64 = 346.93 : x
  2. Step 2: Convert to fraction form
    567.97/783.64 = 346.93/x
  3. Step 3: Cross multiply
    567.97x = 783.64 × 346.93
  4. Step 4: Simplify right side
    567.97x = 271,868.23
  5. Step 5: Solve for x
    x = 271,868.23/567.97
  6. Step 6: Final answer
    x = 478.67

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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.