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Finding the Fourth Proportional to 652,322.85, 977,210.94 and 449,440.32

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Solution

The fourth proportional to 652,322.85, 977,210.94 and 449,440.32 is: 673,283.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,322.85 : 977,210.94 = 449,440.32 : x
  2. Step 2: Convert to fraction form
    652,322.85/977,210.94 = 449,440.32/x
  3. Step 3: Cross multiply
    652,322.85x = 977,210.94 × 449,440.32
  4. Step 4: Simplify right side
    652,322.85x = 439,197,997,581.10
  5. Step 5: Solve for x
    x = 439,197,997,581.10/652,322.85
  6. Step 6: Final answer
    x = 673,283.17

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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.