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Finding the Fourth Proportional to 473,389.29, 653,248.53 and 258,485.76

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Solution

The fourth proportional to 473,389.29, 653,248.53 and 258,485.76 is: 356,694.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,389.29 : 653,248.53 = 258,485.76 : x
  2. Step 2: Convert to fraction form
    473,389.29/653,248.53 = 258,485.76/x
  3. Step 3: Cross multiply
    473,389.29x = 653,248.53 × 258,485.76
  4. Step 4: Simplify right side
    473,389.29x = 168,855,442,745.93
  5. Step 5: Solve for x
    x = 168,855,442,745.93/473,389.29
  6. Step 6: Final answer
    x = 356,694.68

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1.5x scale

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.