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Finding the Fourth Proportional to 473,292.71, 653,141.34 and 258,431.25

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Solution

The fourth proportional to 473,292.71, 653,141.34 and 258,431.25 is: 356,633.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,292.71 : 653,141.34 = 258,431.25 : x
  2. Step 2: Convert to fraction form
    473,292.71/653,141.34 = 258,431.25/x
  3. Step 3: Cross multiply
    473,292.71x = 653,141.34 × 258,431.25
  4. Step 4: Simplify right side
    473,292.71x = 168,792,128,365.01
  5. Step 5: Solve for x
    x = 168,792,128,365.01/473,292.71
  6. Step 6: Final answer
    x = 356,633.70

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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.