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Finding the Fourth Proportional to 707.16, 1,055.50 and 602.37

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Solution

The fourth proportional to 707.16, 1,055.50 and 602.37 is: 899.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    707.16 : 1,055.50 = 602.37 : x
  2. Step 2: Convert to fraction form
    707.16/1,055.50 = 602.37/x
  3. Step 3: Cross multiply
    707.16x = 1,055.50 × 602.37
  4. Step 4: Simplify right side
    707.16x = 635,800.03
  5. Step 5: Solve for x
    x = 635,800.03/707.16
  6. Step 6: Final answer
    x = 899.08

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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.