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Finding the Fourth Proportional to 620,038.35, 930,264.51 and 240,971.10

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Solution

The fourth proportional to 620,038.35, 930,264.51 and 240,971.10 is: 361,537.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,038.35 : 930,264.51 = 240,971.10 : x
  2. Step 2: Convert to fraction form
    620,038.35/930,264.51 = 240,971.10/x
  3. Step 3: Cross multiply
    620,038.35x = 930,264.51 × 240,971.10
  4. Step 4: Simplify right side
    620,038.35x = 224,166,862,265.66
  5. Step 5: Solve for x
    x = 224,166,862,265.66/620,038.35
  6. Step 6: Final answer
    x = 361,537.09

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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.