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Finding the Fourth Proportional to 354,214.98, 488,802.47 and 193,066.56

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Solution

The fourth proportional to 354,214.98, 488,802.47 and 193,066.56 is: 266,424.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,214.98 : 488,802.47 = 193,066.56 : x
  2. Step 2: Convert to fraction form
    354,214.98/488,802.47 = 193,066.56/x
  3. Step 3: Cross multiply
    354,214.98x = 488,802.47 × 193,066.56
  4. Step 4: Simplify right side
    354,214.98x = 94,371,410,437.07
  5. Step 5: Solve for x
    x = 94,371,410,437.07/354,214.98
  6. Step 6: Final answer
    x = 266,424.11

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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.