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Finding the Fourth Proportional to 614,203.36, 916,500.47 and 550,373.03

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Solution

The fourth proportional to 614,203.36, 916,500.47 and 550,373.03 is: 821,254.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,203.36 : 916,500.47 = 550,373.03 : x
  2. Step 2: Convert to fraction form
    614,203.36/916,500.47 = 550,373.03/x
  3. Step 3: Cross multiply
    614,203.36x = 916,500.47 × 550,373.03
  4. Step 4: Simplify right side
    614,203.36x = 504,417,139,868.68
  5. Step 5: Solve for x
    x = 504,417,139,868.68/614,203.36
  6. Step 6: Final answer
    x = 821,254.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.