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Finding the Fourth Proportional to 841.58, 1,160.16 and 592.16

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Solution

The fourth proportional to 841.58, 1,160.16 and 592.16 is: 816.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    841.58 : 1,160.16 = 592.16 : x
  2. Step 2: Convert to fraction form
    841.58/1,160.16 = 592.16/x
  3. Step 3: Cross multiply
    841.58x = 1,160.16 × 592.16
  4. Step 4: Simplify right side
    841.58x = 687,000.35
  5. Step 5: Solve for x
    x = 687,000.35/841.58
  6. Step 6: Final answer
    x = 816.32

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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.