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Finding the Fourth Proportional to 583,522.08, 805,260.60 and 315,250.08

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Solution

The fourth proportional to 583,522.08, 805,260.60 and 315,250.08 is: 435,045.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,522.08 : 805,260.60 = 315,250.08 : x
  2. Step 2: Convert to fraction form
    583,522.08/805,260.60 = 315,250.08/x
  3. Step 3: Cross multiply
    583,522.08x = 805,260.60 × 315,250.08
  4. Step 4: Simplify right side
    583,522.08x = 253,858,468,570.85
  5. Step 5: Solve for x
    x = 253,858,468,570.85/583,522.08
  6. Step 6: Final answer
    x = 435,045.18

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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.