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Finding the Fourth Proportional to 473,689.02, 653,671.58 and 258,836.52

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Solution

The fourth proportional to 473,689.02, 653,671.58 and 258,836.52 is: 357,183.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,689.02 : 653,671.58 = 258,836.52 : x
  2. Step 2: Convert to fraction form
    473,689.02/653,671.58 = 258,836.52/x
  3. Step 3: Cross multiply
    473,689.02x = 653,671.58 × 258,836.52
  4. Step 4: Simplify right side
    473,689.02x = 169,194,075,695.92
  5. Step 5: Solve for x
    x = 169,194,075,695.92/473,689.02
  6. Step 6: Final answer
    x = 357,183.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.