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Finding the Fourth Proportional to 286,305.60, 429,458.40 and 246,064.80

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Solution

The fourth proportional to 286,305.60, 429,458.40 and 246,064.80 is: 369,097.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,305.60 : 429,458.40 = 246,064.80 : x
  2. Step 2: Convert to fraction form
    286,305.60/429,458.40 = 246,064.80/x
  3. Step 3: Cross multiply
    286,305.60x = 429,458.40 × 246,064.80
  4. Step 4: Simplify right side
    286,305.60x = 105,674,595,304.32
  5. Step 5: Solve for x
    x = 105,674,595,304.32/286,305.60
  6. Step 6: Final answer
    x = 369,097.20

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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.