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Finding the Fourth Proportional to 346,253.60, 519,477.60 and 168,766.40

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Solution

The fourth proportional to 346,253.60, 519,477.60 and 168,766.40 is: 253,196.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,253.60 : 519,477.60 = 168,766.40 : x
  2. Step 2: Convert to fraction form
    346,253.60/519,477.60 = 168,766.40/x
  3. Step 3: Cross multiply
    346,253.60x = 519,477.60 × 168,766.40
  4. Step 4: Simplify right side
    346,253.60x = 87,670,364,432.64
  5. Step 5: Solve for x
    x = 87,670,364,432.64/346,253.60
  6. Step 6: Final answer
    x = 253,196.98

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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.