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Finding the Fourth Proportional to 1,070.46, 1,477.38 and 598.38

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Solution

The fourth proportional to 1,070.46, 1,477.38 and 598.38 is: 825.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070.46 : 1,477.38 = 598.38 : x
  2. Step 2: Convert to fraction form
    1,070.46/1,477.38 = 598.38/x
  3. Step 3: Cross multiply
    1,070.46x = 1,477.38 × 598.38
  4. Step 4: Simplify right side
    1,070.46x = 884,036.84
  5. Step 5: Solve for x
    x = 884,036.84/1,070.46
  6. Step 6: Final answer
    x = 825.85

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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.