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Finding the Fourth Proportional to 530,312.52, 795,151.50 and 359,743.84

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Solution

The fourth proportional to 530,312.52, 795,151.50 and 359,743.84 is: 539,400.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,312.52 : 795,151.50 = 359,743.84 : x
  2. Step 2: Convert to fraction form
    530,312.52/795,151.50 = 359,743.84/x
  3. Step 3: Cross multiply
    530,312.52x = 795,151.50 × 359,743.84
  4. Step 4: Simplify right side
    530,312.52x = 286,050,853,991.76
  5. Step 5: Solve for x
    x = 286,050,853,991.76/530,312.52
  6. Step 6: Final answer
    x = 539,400.53

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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.