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Finding the Fourth Proportional to 1,070.65, 1,477.53 and 598.60

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Solution

The fourth proportional to 1,070.65, 1,477.53 and 598.60 is: 826.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070.65 : 1,477.53 = 598.60 : x
  2. Step 2: Convert to fraction form
    1,070.65/1,477.53 = 598.60/x
  3. Step 3: Cross multiply
    1,070.65x = 1,477.53 × 598.60
  4. Step 4: Simplify right side
    1,070.65x = 884,449.46
  5. Step 5: Solve for x
    x = 884,449.46/1,070.65
  6. Step 6: Final answer
    x = 826.09

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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.