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Finding the Fourth Proportional to 440,556.45, 607,991.93 and 249,607.05

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Solution

The fourth proportional to 440,556.45, 607,991.93 and 249,607.05 is: 344,471.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,556.45 : 607,991.93 = 249,607.05 : x
  2. Step 2: Convert to fraction form
    440,556.45/607,991.93 = 249,607.05/x
  3. Step 3: Cross multiply
    440,556.45x = 607,991.93 × 249,607.05
  4. Step 4: Simplify right side
    440,556.45x = 151,759,067,783.11
  5. Step 5: Solve for x
    x = 151,759,067,783.11/440,556.45
  6. Step 6: Final answer
    x = 344,471.34

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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.