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Finding the Fourth Proportional to 575,534.40, 863,301.60 and 295,598.40

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Solution

The fourth proportional to 575,534.40, 863,301.60 and 295,598.40 is: 443,397.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,534.40 : 863,301.60 = 295,598.40 : x
  2. Step 2: Convert to fraction form
    575,534.40/863,301.60 = 295,598.40/x
  3. Step 3: Cross multiply
    575,534.40x = 863,301.60 × 295,598.40
  4. Step 4: Simplify right side
    575,534.40x = 255,190,571,677.44
  5. Step 5: Solve for x
    x = 255,190,571,677.44/575,534.40
  6. Step 6: Final answer
    x = 443,397.60

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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.