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Finding the Fourth Proportional to 346,804.31, 520,206.48 and 97,486.31

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Solution

The fourth proportional to 346,804.31, 520,206.48 and 97,486.31 is: 146,229.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,804.31 : 520,206.48 = 97,486.31 : x
  2. Step 2: Convert to fraction form
    346,804.31/520,206.48 = 97,486.31/x
  3. Step 3: Cross multiply
    346,804.31x = 520,206.48 × 97,486.31
  4. Step 4: Simplify right side
    346,804.31x = 50,713,011,473.81
  5. Step 5: Solve for x
    x = 50,713,011,473.81/346,804.31
  6. Step 6: Final answer
    x = 146,229.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.