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Finding the Fourth Proportional to 439,473.40, 606,486.08 and 248,482.69

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Solution

The fourth proportional to 439,473.40, 606,486.08 and 248,482.69 is: 342,913.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,473.40 : 606,486.08 = 248,482.69 : x
  2. Step 2: Convert to fraction form
    439,473.40/606,486.08 = 248,482.69/x
  3. Step 3: Cross multiply
    439,473.40x = 606,486.08 × 248,482.69
  4. Step 4: Simplify right side
    439,473.40x = 150,701,291,710.95
  5. Step 5: Solve for x
    x = 150,701,291,710.95/439,473.40
  6. Step 6: Final answer
    x = 342,913.34

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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.