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Finding the Fourth Proportional to 583,507.72, 805,509.68 and 341,756.92

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Solution

The fourth proportional to 583,507.72, 805,509.68 and 341,756.92 is: 471,782.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,507.72 : 805,509.68 = 341,756.92 : x
  2. Step 2: Convert to fraction form
    583,507.72/805,509.68 = 341,756.92/x
  3. Step 3: Cross multiply
    583,507.72x = 805,509.68 × 341,756.92
  4. Step 4: Simplify right side
    583,507.72x = 275,288,507,266.99
  5. Step 5: Solve for x
    x = 275,288,507,266.99/583,507.72
  6. Step 6: Final answer
    x = 471,782.12

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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.