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Finding the Fourth Proportional to 554,590.55, 765,334.96 and 299,941.74

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Solution

The fourth proportional to 554,590.55, 765,334.96 and 299,941.74 is: 413,919.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,590.55 : 765,334.96 = 299,941.74 : x
  2. Step 2: Convert to fraction form
    554,590.55/765,334.96 = 299,941.74/x
  3. Step 3: Cross multiply
    554,590.55x = 765,334.96 × 299,941.74
  4. Step 4: Simplify right side
    554,590.55x = 229,555,898,835.38
  5. Step 5: Solve for x
    x = 229,555,898,835.38/554,590.55
  6. Step 6: Final answer
    x = 413,919.60

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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.