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Finding the Fourth Proportional to 530,870.04, 732,608.97 and 289,152.54

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Solution

The fourth proportional to 530,870.04, 732,608.97 and 289,152.54 is: 399,035.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,870.04 : 732,608.97 = 289,152.54 : x
  2. Step 2: Convert to fraction form
    530,870.04/732,608.97 = 289,152.54/x
  3. Step 3: Cross multiply
    530,870.04x = 732,608.97 × 289,152.54
  4. Step 4: Simplify right side
    530,870.04x = 211,835,744,502.28
  5. Step 5: Solve for x
    x = 211,835,744,502.28/530,870.04
  6. Step 6: Final answer
    x = 399,035.03

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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.