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Finding the Fourth Proportional to 583,788.60, 874,370.70 and 355,465.80

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Solution

The fourth proportional to 583,788.60, 874,370.70 and 355,465.80 is: 532,399.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,788.60 : 874,370.70 = 355,465.80 : x
  2. Step 2: Convert to fraction form
    583,788.60/874,370.70 = 355,465.80/x
  3. Step 3: Cross multiply
    583,788.60x = 874,370.70 × 355,465.80
  4. Step 4: Simplify right side
    583,788.60x = 310,808,880,372.06
  5. Step 5: Solve for x
    x = 310,808,880,372.06/583,788.60
  6. Step 6: Final answer
    x = 532,399.71

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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.