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Finding the Fourth Proportional to 710.01, 1,060.52 and 556.11

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Solution

The fourth proportional to 710.01, 1,060.52 and 556.11 is: 830.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    710.01 : 1,060.52 = 556.11 : x
  2. Step 2: Convert to fraction form
    710.01/1,060.52 = 556.11/x
  3. Step 3: Cross multiply
    710.01x = 1,060.52 × 556.11
  4. Step 4: Simplify right side
    710.01x = 589,763.00
  5. Step 5: Solve for x
    x = 589,763.00/710.01
  6. Step 6: Final answer
    x = 830.64

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.