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Finding the Fourth Proportional to 575,577.40, 863,366.10 and 322,598.20

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Solution

The fourth proportional to 575,577.40, 863,366.10 and 322,598.20 is: 483,897.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,577.40 : 863,366.10 = 322,598.20 : x
  2. Step 2: Convert to fraction form
    575,577.40/863,366.10 = 322,598.20/x
  3. Step 3: Cross multiply
    575,577.40x = 863,366.10 × 322,598.20
  4. Step 4: Simplify right side
    575,577.40x = 278,520,349,801.02
  5. Step 5: Solve for x
    x = 278,520,349,801.02/575,577.40
  6. Step 6: Final answer
    x = 483,897.30

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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.