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Finding the Fourth Proportional to 530,880.01, 732,774.50 and 361,212.55

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Solution

The fourth proportional to 530,880.01, 732,774.50 and 361,212.55 is: 498,582.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,880.01 : 732,774.50 = 361,212.55 : x
  2. Step 2: Convert to fraction form
    530,880.01/732,774.50 = 361,212.55/x
  3. Step 3: Cross multiply
    530,880.01x = 732,774.50 × 361,212.55
  4. Step 4: Simplify right side
    530,880.01x = 264,687,343,436.52
  5. Step 5: Solve for x
    x = 264,687,343,436.52/530,880.01
  6. Step 6: Final answer
    x = 498,582.24

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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.