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Finding the Fourth Proportional to 942,502.80, 1,410,643.80 and 730,995.60

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Solution

The fourth proportional to 942,502.80, 1,410,643.80 and 730,995.60 is: 1,094,081.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,502.80 : 1,410,643.80 = 730,995.60 : x
  2. Step 2: Convert to fraction form
    942,502.80/1,410,643.80 = 730,995.60/x
  3. Step 3: Cross multiply
    942,502.80x = 1,410,643.80 × 730,995.60
  4. Step 4: Simplify right side
    942,502.80x = 1,031,174,410,967.28
  5. Step 5: Solve for x
    x = 1,031,174,410,967.28/942,502.80
  6. Step 6: Final answer
    x = 1,094,081.01

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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.