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Finding the Fourth Proportional to 585,135.32, 877,871.10 and 243,512.25

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Solution

The fourth proportional to 585,135.32, 877,871.10 and 243,512.25 is: 365,338.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,135.32 : 877,871.10 = 243,512.25 : x
  2. Step 2: Convert to fraction form
    585,135.32/877,871.10 = 243,512.25/x
  3. Step 3: Cross multiply
    585,135.32x = 877,871.10 × 243,512.25
  4. Step 4: Simplify right side
    585,135.32x = 213,772,366,770.98
  5. Step 5: Solve for x
    x = 213,772,366,770.98/585,135.32
  6. Step 6: Final answer
    x = 365,338.34

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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.