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Finding the Fourth Proportional to 473,676.18, 653,677.72 and 258,816.24

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Solution

The fourth proportional to 473,676.18, 653,677.72 and 258,816.24 is: 357,168.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,676.18 : 653,677.72 = 258,816.24 : x
  2. Step 2: Convert to fraction form
    473,676.18/653,677.72 = 258,816.24/x
  3. Step 3: Cross multiply
    473,676.18x = 653,677.72 × 258,816.24
  4. Step 4: Simplify right side
    473,676.18x = 169,182,409,662.17
  5. Step 5: Solve for x
    x = 169,182,409,662.17/473,676.18
  6. Step 6: Final answer
    x = 357,168.92

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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.