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Finding the Fourth Proportional to 551,502.90, 827,254.35 and 547,566.30

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Solution

The fourth proportional to 551,502.90, 827,254.35 and 547,566.30 is: 821,349.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,502.90 : 827,254.35 = 547,566.30 : x
  2. Step 2: Convert to fraction form
    551,502.90/827,254.35 = 547,566.30/x
  3. Step 3: Cross multiply
    551,502.90x = 827,254.35 × 547,566.30
  4. Step 4: Simplify right side
    551,502.90x = 452,976,603,588.41
  5. Step 5: Solve for x
    x = 452,976,603,588.41/551,502.90
  6. Step 6: Final answer
    x = 821,349.45

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Double scale
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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.