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Finding the Fourth Proportional to 583,855.07, 805,701.74 and 342,298.53

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Solution

The fourth proportional to 583,855.07, 805,701.74 and 342,298.53 is: 472,361.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,855.07 : 805,701.74 = 342,298.53 : x
  2. Step 2: Convert to fraction form
    583,855.07/805,701.74 = 342,298.53/x
  3. Step 3: Cross multiply
    583,855.07x = 805,701.74 × 342,298.53
  4. Step 4: Simplify right side
    583,855.07x = 275,790,521,774.99
  5. Step 5: Solve for x
    x = 275,790,521,774.99/583,855.07
  6. Step 6: Final answer
    x = 472,361.27

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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.