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Finding the Fourth Proportional to 530,810.64, 732,527.03 and 289,093.03

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Solution

The fourth proportional to 530,810.64, 732,527.03 and 289,093.03 is: 398,952.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,810.64 : 732,527.03 = 289,093.03 : x
  2. Step 2: Convert to fraction form
    530,810.64/732,527.03 = 289,093.03/x
  3. Step 3: Cross multiply
    530,810.64x = 732,527.03 × 289,093.03
  4. Step 4: Simplify right side
    530,810.64x = 211,768,457,551.02
  5. Step 5: Solve for x
    x = 211,768,457,551.02/530,810.64
  6. Step 6: Final answer
    x = 398,952.93

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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.