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Finding the Fourth Proportional to 567,135.40, 851,970.30 and 473,823.40

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Solution

The fourth proportional to 567,135.40, 851,970.30 and 473,823.40 is: 711,793.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,135.40 : 851,970.30 = 473,823.40 : x
  2. Step 2: Convert to fraction form
    567,135.40/851,970.30 = 473,823.40/x
  3. Step 3: Cross multiply
    567,135.40x = 851,970.30 × 473,823.40
  4. Step 4: Simplify right side
    567,135.40x = 403,683,464,245.02
  5. Step 5: Solve for x
    x = 403,683,464,245.02/567,135.40
  6. Step 6: Final answer
    x = 711,793.80

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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.