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Finding the Fourth Proportional to 354,762.60, 532,295.10 and 186,412.20

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Solution

The fourth proportional to 354,762.60, 532,295.10 and 186,412.20 is: 279,697.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,762.60 : 532,295.10 = 186,412.20 : x
  2. Step 2: Convert to fraction form
    354,762.60/532,295.10 = 186,412.20/x
  3. Step 3: Cross multiply
    354,762.60x = 532,295.10 × 186,412.20
  4. Step 4: Simplify right side
    354,762.60x = 99,226,300,640.22
  5. Step 5: Solve for x
    x = 99,226,300,640.22/354,762.60
  6. Step 6: Final answer
    x = 279,697.75

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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.