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Finding the Fourth Proportional to 473,666.06, 653,658.16 and 258,807.67

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Solution

The fourth proportional to 473,666.06, 653,658.16 and 258,807.67 is: 357,154.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,666.06 : 653,658.16 = 258,807.67 : x
  2. Step 2: Convert to fraction form
    473,666.06/653,658.16 = 258,807.67/x
  3. Step 3: Cross multiply
    473,666.06x = 653,658.16 × 258,807.67
  4. Step 4: Simplify right side
    473,666.06x = 169,171,745,366.09
  5. Step 5: Solve for x
    x = 169,171,745,366.09/473,666.06
  6. Step 6: Final answer
    x = 357,154.04

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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.