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Finding the Fourth Proportional to 530,886.26, 732,624.06 and 289,168.10

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Solution

The fourth proportional to 530,886.26, 732,624.06 and 289,168.10 is: 399,052.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,886.26 : 732,624.06 = 289,168.10 : x
  2. Step 2: Convert to fraction form
    530,886.26/732,624.06 = 289,168.10/x
  3. Step 3: Cross multiply
    530,886.26x = 732,624.06 × 289,168.10
  4. Step 4: Simplify right side
    530,886.26x = 211,851,507,444.49
  5. Step 5: Solve for x
    x = 211,851,507,444.49/530,886.26
  6. Step 6: Final answer
    x = 399,052.53

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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.