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Finding the Fourth Proportional to 346,984.02, 520,476.57 and 97,666.02

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Solution

The fourth proportional to 346,984.02, 520,476.57 and 97,666.02 is: 146,499.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,984.02 : 520,476.57 = 97,666.02 : x
  2. Step 2: Convert to fraction form
    346,984.02/520,476.57 = 97,666.02/x
  3. Step 3: Cross multiply
    346,984.02x = 520,476.57 × 97,666.02
  4. Step 4: Simplify right side
    346,984.02x = 50,832,875,095.15
  5. Step 5: Solve for x
    x = 50,832,875,095.15/346,984.02
  6. Step 6: Final answer
    x = 146,499.18

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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.