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Finding the Fourth Proportional to 566,554.87, 848,762.69 and 438,690.67

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Solution

The fourth proportional to 566,554.87, 848,762.69 and 438,690.67 is: 657,207.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,554.87 : 848,762.69 = 438,690.67 : x
  2. Step 2: Convert to fraction form
    566,554.87/848,762.69 = 438,690.67/x
  3. Step 3: Cross multiply
    566,554.87x = 848,762.69 × 438,690.67
  4. Step 4: Simplify right side
    566,554.87x = 372,344,268,831.74
  5. Step 5: Solve for x
    x = 372,344,268,831.74/566,554.87
  6. Step 6: Final answer
    x = 657,207.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.