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Finding the Fourth Proportional to 575,999.40, 863,999.10 and 202,060.20

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Solution

The fourth proportional to 575,999.40, 863,999.10 and 202,060.20 is: 303,090.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,999.40 : 863,999.10 = 202,060.20 : x
  2. Step 2: Convert to fraction form
    575,999.40/863,999.10 = 202,060.20/x
  3. Step 3: Cross multiply
    575,999.40x = 863,999.10 × 202,060.20
  4. Step 4: Simplify right side
    575,999.40x = 174,579,830,945.82
  5. Step 5: Solve for x
    x = 174,579,830,945.82/575,999.40
  6. Step 6: Final answer
    x = 303,090.30

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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.