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Finding the Fourth Proportional to 286,698.64, 429,508.48 and 168,017.44

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Solution

The fourth proportional to 286,698.64, 429,508.48 and 168,017.44 is: 251,710.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,698.64 : 429,508.48 = 168,017.44 : x
  2. Step 2: Convert to fraction form
    286,698.64/429,508.48 = 168,017.44/x
  3. Step 3: Cross multiply
    286,698.64x = 429,508.48 × 168,017.44
  4. Step 4: Simplify right side
    286,698.64x = 72,164,915,267.89
  5. Step 5: Solve for x
    x = 72,164,915,267.89/286,698.64
  6. Step 6: Final answer
    x = 251,710.00

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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.