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Finding the Fourth Proportional to 552,003.80, 828,005.70 and 463,430.30

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Solution

The fourth proportional to 552,003.80, 828,005.70 and 463,430.30 is: 695,145.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,003.80 : 828,005.70 = 463,430.30 : x
  2. Step 2: Convert to fraction form
    552,003.80/828,005.70 = 463,430.30/x
  3. Step 3: Cross multiply
    552,003.80x = 828,005.70 × 463,430.30
  4. Step 4: Simplify right side
    552,003.80x = 383,722,929,952.71
  5. Step 5: Solve for x
    x = 383,722,929,952.71/552,003.80
  6. Step 6: Final answer
    x = 695,145.45

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Similar ratio
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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.