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Finding the Fourth Proportional to 477,545.25, 659,005.38 and 262,672.50

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Solution

The fourth proportional to 477,545.25, 659,005.38 and 262,672.50 is: 362,484.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,545.25 : 659,005.38 = 262,672.50 : x
  2. Step 2: Convert to fraction form
    477,545.25/659,005.38 = 262,672.50/x
  3. Step 3: Cross multiply
    477,545.25x = 659,005.38 × 262,672.50
  4. Step 4: Simplify right side
    477,545.25x = 173,102,590,678.05
  5. Step 5: Solve for x
    x = 173,102,590,678.05/477,545.25
  6. Step 6: Final answer
    x = 362,484.16

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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.