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Finding the Fourth Proportional to 924.51, 1,276.04 and 609.83

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Solution

The fourth proportional to 924.51, 1,276.04 and 609.83 is: 841.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    924.51 : 1,276.04 = 609.83 : x
  2. Step 2: Convert to fraction form
    924.51/1,276.04 = 609.83/x
  3. Step 3: Cross multiply
    924.51x = 1,276.04 × 609.83
  4. Step 4: Simplify right side
    924.51x = 778,161.23
  5. Step 5: Solve for x
    x = 778,161.23/924.51
  6. Step 6: Final answer
    x = 841.70

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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.