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Finding the Fourth Proportional to 567,358.80, 851,038.20 and 508,261.20

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Solution

The fourth proportional to 567,358.80, 851,038.20 and 508,261.20 is: 762,391.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,358.80 : 851,038.20 = 508,261.20 : x
  2. Step 2: Convert to fraction form
    567,358.80/851,038.20 = 508,261.20/x
  3. Step 3: Cross multiply
    567,358.80x = 851,038.20 × 508,261.20
  4. Step 4: Simplify right side
    567,358.80x = 432,549,696,777.84
  5. Step 5: Solve for x
    x = 432,549,696,777.84/567,358.80
  6. Step 6: Final answer
    x = 762,391.80

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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.