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Finding the Fourth Proportional to 473,283.36, 653,157.60 and 258,443.40

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Solution

The fourth proportional to 473,283.36, 653,157.60 and 258,443.40 is: 356,666.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,283.36 : 653,157.60 = 258,443.40 : x
  2. Step 2: Convert to fraction form
    473,283.36/653,157.60 = 258,443.40/x
  3. Step 3: Cross multiply
    473,283.36x = 653,157.60 × 258,443.40
  4. Step 4: Simplify right side
    473,283.36x = 168,804,270,879.84
  5. Step 5: Solve for x
    x = 168,804,270,879.84/473,283.36
  6. Step 6: Final answer
    x = 356,666.40

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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.