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Finding the Fourth Proportional to 583,287.69, 805,041.42 and 341,556.15

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Solution

The fourth proportional to 583,287.69, 805,041.42 and 341,556.15 is: 471,408.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,287.69 : 805,041.42 = 341,556.15 : x
  2. Step 2: Convert to fraction form
    583,287.69/805,041.42 = 341,556.15/x
  3. Step 3: Cross multiply
    583,287.69x = 805,041.42 × 341,556.15
  4. Step 4: Simplify right side
    583,287.69x = 274,966,848,005.73
  5. Step 5: Solve for x
    x = 274,966,848,005.73/583,287.69
  6. Step 6: Final answer
    x = 471,408.63

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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.