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Finding the Fourth Proportional to 440,955.64, 608,501.13 and 259,675.21

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Solution

The fourth proportional to 440,955.64, 608,501.13 and 259,675.21 is: 358,341.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,955.64 : 608,501.13 = 259,675.21 : x
  2. Step 2: Convert to fraction form
    440,955.64/608,501.13 = 259,675.21/x
  3. Step 3: Cross multiply
    440,955.64x = 608,501.13 × 259,675.21
  4. Step 4: Simplify right side
    440,955.64x = 158,012,658,717.99
  5. Step 5: Solve for x
    x = 158,012,658,717.99/440,955.64
  6. Step 6: Final answer
    x = 358,341.39

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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.