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Finding the Fourth Proportional to 489,125.30, 732,813.15 and 301,918.10

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Solution

The fourth proportional to 489,125.30, 732,813.15 and 301,918.10 is: 452,337.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,125.30 : 732,813.15 = 301,918.10 : x
  2. Step 2: Convert to fraction form
    489,125.30/732,813.15 = 301,918.10/x
  3. Step 3: Cross multiply
    489,125.30x = 732,813.15 × 301,918.10
  4. Step 4: Simplify right side
    489,125.30x = 221,249,553,903.02
  5. Step 5: Solve for x
    x = 221,249,553,903.02/489,125.30
  6. Step 6: Final answer
    x = 452,337.17

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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.