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Finding the Fourth Proportional to 583,403.54, 805,092.10 and 325,277.42

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Solution

The fourth proportional to 583,403.54, 805,092.10 and 325,277.42 is: 448,880.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,403.54 : 805,092.10 = 325,277.42 : x
  2. Step 2: Convert to fraction form
    583,403.54/805,092.10 = 325,277.42/x
  3. Step 3: Cross multiply
    583,403.54x = 805,092.10 × 325,277.42
  4. Step 4: Simplify right side
    583,403.54x = 261,878,281,150.38
  5. Step 5: Solve for x
    x = 261,878,281,150.38/583,403.54
  6. Step 6: Final answer
    x = 448,880.17

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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.