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Finding the Fourth Proportional to 574,894.68, 793,303.20 and 320,240.40

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Solution

The fourth proportional to 574,894.68, 793,303.20 and 320,240.40 is: 441,903.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,894.68 : 793,303.20 = 320,240.40 : x
  2. Step 2: Convert to fraction form
    574,894.68/793,303.20 = 320,240.40/x
  3. Step 3: Cross multiply
    574,894.68x = 793,303.20 × 320,240.40
  4. Step 4: Simplify right side
    574,894.68x = 254,047,734,089.28
  5. Step 5: Solve for x
    x = 254,047,734,089.28/574,894.68
  6. Step 6: Final answer
    x = 441,903.09

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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.