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Finding the Fourth Proportional to 530,004.36, 731,339.46 and 358,295.84

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Solution

The fourth proportional to 530,004.36, 731,339.46 and 358,295.84 is: 494,403.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,004.36 : 731,339.46 = 358,295.84 : x
  2. Step 2: Convert to fraction form
    530,004.36/731,339.46 = 358,295.84/x
  3. Step 3: Cross multiply
    530,004.36x = 731,339.46 × 358,295.84
  4. Step 4: Simplify right side
    530,004.36x = 262,035,886,145.85
  5. Step 5: Solve for x
    x = 262,035,886,145.85/530,004.36
  6. Step 6: Final answer
    x = 494,403.27

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1.5x scale

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.