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Finding the Fourth Proportional to 286,359.60, 429,429.96 and 94,189.32

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Solution

The fourth proportional to 286,359.60, 429,429.96 and 94,189.32 is: 141,247.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,359.60 : 429,429.96 = 94,189.32 : x
  2. Step 2: Convert to fraction form
    286,359.60/429,429.96 = 94,189.32/x
  3. Step 3: Cross multiply
    286,359.60x = 429,429.96 × 94,189.32
  4. Step 4: Simplify right side
    286,359.60x = 40,447,715,920.03
  5. Step 5: Solve for x
    x = 40,447,715,920.03/286,359.60
  6. Step 6: Final answer
    x = 141,247.98

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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.