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Finding the Fourth Proportional to 440,009.40, 607,222.62 and 249,022.92

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Solution

The fourth proportional to 440,009.40, 607,222.62 and 249,022.92 is: 343,657.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,009.40 : 607,222.62 = 249,022.92 : x
  2. Step 2: Convert to fraction form
    440,009.40/607,222.62 = 249,022.92/x
  3. Step 3: Cross multiply
    440,009.40x = 607,222.62 × 249,022.92
  4. Step 4: Simplify right side
    440,009.40x = 151,212,349,922.45
  5. Step 5: Solve for x
    x = 151,212,349,922.45/440,009.40
  6. Step 6: Final answer
    x = 343,657.09

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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.