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Finding the Fourth Proportional to 346,268.61, 520,191.11 and 250,501.21

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Solution

The fourth proportional to 346,268.61, 520,191.11 and 250,501.21 is: 376,322.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,268.61 : 520,191.11 = 250,501.21 : x
  2. Step 2: Convert to fraction form
    346,268.61/520,191.11 = 250,501.21/x
  3. Step 3: Cross multiply
    346,268.61x = 520,191.11 × 250,501.21
  4. Step 4: Simplify right side
    346,268.61x = 130,308,502,534.22
  5. Step 5: Solve for x
    x = 130,308,502,534.22/346,268.61
  6. Step 6: Final answer
    x = 376,322.02

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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.