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Finding the Fourth Proportional to 439,444.80, 659,458.80 and 249,904.80

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Solution

The fourth proportional to 439,444.80, 659,458.80 and 249,904.80 is: 375,023.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,444.80 : 659,458.80 = 249,904.80 : x
  2. Step 2: Convert to fraction form
    439,444.80/659,458.80 = 249,904.80/x
  3. Step 3: Cross multiply
    439,444.80x = 659,458.80 × 249,904.80
  4. Step 4: Simplify right side
    439,444.80x = 164,801,919,522.24
  5. Step 5: Solve for x
    x = 164,801,919,522.24/439,444.80
  6. Step 6: Final answer
    x = 375,023.03

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1.5x scale

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.