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Finding the Fourth Proportional to 711,029.02, 980,635.46 and 507,014.73

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Solution

The fourth proportional to 711,029.02, 980,635.46 and 507,014.73 is: 699,263.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,029.02 : 980,635.46 = 507,014.73 : x
  2. Step 2: Convert to fraction form
    711,029.02/980,635.46 = 507,014.73/x
  3. Step 3: Cross multiply
    711,029.02x = 980,635.46 × 507,014.73
  4. Step 4: Simplify right side
    711,029.02x = 497,196,622,980.33
  5. Step 5: Solve for x
    x = 497,196,622,980.33/711,029.02
  6. Step 6: Final answer
    x = 699,263.47

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.