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Finding the Fourth Proportional to 473,280.48, 653,123.79 and 258,420.42

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Solution

The fourth proportional to 473,280.48, 653,123.79 and 258,420.42 is: 356,618.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,280.48 : 653,123.79 = 258,420.42 : x
  2. Step 2: Convert to fraction form
    473,280.48/653,123.79 = 258,420.42/x
  3. Step 3: Cross multiply
    473,280.48x = 653,123.79 × 258,420.42
  4. Step 4: Simplify right side
    473,280.48x = 168,780,524,123.79
  5. Step 5: Solve for x
    x = 168,780,524,123.79/473,280.48
  6. Step 6: Final answer
    x = 356,618.39

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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.