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Finding the Fourth Proportional to 535,596.90, 801,840.15 and 520,044.90

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Solution

The fourth proportional to 535,596.90, 801,840.15 and 520,044.90 is: 778,557.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,596.90 : 801,840.15 = 520,044.90 : x
  2. Step 2: Convert to fraction form
    535,596.90/801,840.15 = 520,044.90/x
  3. Step 3: Cross multiply
    535,596.90x = 801,840.15 × 520,044.90
  4. Step 4: Simplify right side
    535,596.90x = 416,992,880,622.74
  5. Step 5: Solve for x
    x = 416,992,880,622.74/535,596.90
  6. Step 6: Final answer
    x = 778,557.31

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1.5x scale

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.