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Finding the Fourth Proportional to 904.15, 1,353.65 and 595.07

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Solution

The fourth proportional to 904.15, 1,353.65 and 595.07 is: 890.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    904.15 : 1,353.65 = 595.07 : x
  2. Step 2: Convert to fraction form
    904.15/1,353.65 = 595.07/x
  3. Step 3: Cross multiply
    904.15x = 1,353.65 × 595.07
  4. Step 4: Simplify right side
    904.15x = 805,509.74
  5. Step 5: Solve for x
    x = 805,509.74/904.15
  6. Step 6: Final answer
    x = 890.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.