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Finding the Fourth Proportional to 497,362.40, 746,264.04 and 260,648.76

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Solution

The fourth proportional to 497,362.40, 746,264.04 and 260,648.76 is: 391,088.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,362.40 : 746,264.04 = 260,648.76 : x
  2. Step 2: Convert to fraction form
    497,362.40/746,264.04 = 260,648.76/x
  3. Step 3: Cross multiply
    497,362.40x = 746,264.04 × 260,648.76
  4. Step 4: Simplify right side
    497,362.40x = 194,512,796,658.59
  5. Step 5: Solve for x
    x = 194,512,796,658.59/497,362.40
  6. Step 6: Final answer
    x = 391,088.66

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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.