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Finding the Fourth Proportional to 473,516.37, 653,441.72 and 258,657.39

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Solution

The fourth proportional to 473,516.37, 653,441.72 and 258,657.39 is: 356,941.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,516.37 : 653,441.72 = 258,657.39 : x
  2. Step 2: Convert to fraction form
    473,516.37/653,441.72 = 258,657.39/x
  3. Step 3: Cross multiply
    473,516.37x = 653,441.72 × 258,657.39
  4. Step 4: Simplify right side
    473,516.37x = 169,017,528,519.02
  5. Step 5: Solve for x
    x = 169,017,528,519.02/473,516.37
  6. Step 6: Final answer
    x = 356,941.26

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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.