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Finding the Fourth Proportional to 555,242.08, 766,235.82 and 300,594.28

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Solution

The fourth proportional to 555,242.08, 766,235.82 and 300,594.28 is: 414,821.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,242.08 : 766,235.82 = 300,594.28 : x
  2. Step 2: Convert to fraction form
    555,242.08/766,235.82 = 300,594.28/x
  3. Step 3: Cross multiply
    555,242.08x = 766,235.82 × 300,594.28
  4. Step 4: Simplify right side
    555,242.08x = 230,326,104,623.11
  5. Step 5: Solve for x
    x = 230,326,104,623.11/555,242.08
  6. Step 6: Final answer
    x = 414,821.05

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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.