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Finding the Fourth Proportional to 341,061.10, 470,699.40 and 216,968.14

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Solution

The fourth proportional to 341,061.10, 470,699.40 and 216,968.14 is: 299,438.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,061.10 : 470,699.40 = 216,968.14 : x
  2. Step 2: Convert to fraction form
    341,061.10/470,699.40 = 216,968.14/x
  3. Step 3: Cross multiply
    341,061.10x = 470,699.40 × 216,968.14
  4. Step 4: Simplify right side
    341,061.10x = 102,126,773,317.12
  5. Step 5: Solve for x
    x = 102,126,773,317.12/341,061.10
  6. Step 6: Final answer
    x = 299,438.35

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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.