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Finding the Fourth Proportional to 583,805.54, 805,651.14 and 315,533.54

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Solution

The fourth proportional to 583,805.54, 805,651.14 and 315,533.54 is: 435,436.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,805.54 : 805,651.14 = 315,533.54 : x
  2. Step 2: Convert to fraction form
    583,805.54/805,651.14 = 315,533.54/x
  3. Step 3: Cross multiply
    583,805.54x = 805,651.14 × 315,533.54
  4. Step 4: Simplify right side
    583,805.54x = 254,209,956,209.24
  5. Step 5: Solve for x
    x = 254,209,956,209.24/583,805.54
  6. Step 6: Final answer
    x = 435,436.01

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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.