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Finding the Fourth Proportional to 413,598.95, 579,825.85 and 413,598.95

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Solution

The fourth proportional to 413,598.95, 579,825.85 and 413,598.95 is: 579,825.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,598.95 : 579,825.85 = 413,598.95 : x
  2. Step 2: Convert to fraction form
    413,598.95/579,825.85 = 413,598.95/x
  3. Step 3: Cross multiply
    413,598.95x = 579,825.85 × 413,598.95
  4. Step 4: Simplify right side
    413,598.95x = 239,815,362,742.86
  5. Step 5: Solve for x
    x = 239,815,362,742.86/413,598.95
  6. Step 6: Final answer
    x = 579,825.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.