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Finding the Fourth Proportional to 611,156.16, 843,404.76 and 335,536.74

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Solution

The fourth proportional to 611,156.16, 843,404.76 and 335,536.74 is: 463,045.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,156.16 : 843,404.76 = 335,536.74 : x
  2. Step 2: Convert to fraction form
    611,156.16/843,404.76 = 335,536.74/x
  3. Step 3: Cross multiply
    611,156.16x = 843,404.76 × 335,536.74
  4. Step 4: Simplify right side
    611,156.16x = 282,993,283,670.88
  5. Step 5: Solve for x
    x = 282,993,283,670.88/611,156.16
  6. Step 6: Final answer
    x = 463,045.78

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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.