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Finding the Fourth Proportional to 555,655.77, 832,988.64 and 200,590.77

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Solution

The fourth proportional to 555,655.77, 832,988.64 and 200,590.77 is: 300,707.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,655.77 : 832,988.64 = 200,590.77 : x
  2. Step 2: Convert to fraction form
    555,655.77/832,988.64 = 200,590.77/x
  3. Step 3: Cross multiply
    555,655.77x = 832,988.64 × 200,590.77
  4. Step 4: Simplify right side
    555,655.77x = 167,089,832,698.85
  5. Step 5: Solve for x
    x = 167,089,832,698.85/555,655.77
  6. Step 6: Final answer
    x = 300,707.46

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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.