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Finding the Fourth Proportional to 286,024.40, 429,036.60 and 181,307.60

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Solution

The fourth proportional to 286,024.40, 429,036.60 and 181,307.60 is: 271,961.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,024.40 : 429,036.60 = 181,307.60 : x
  2. Step 2: Convert to fraction form
    286,024.40/429,036.60 = 181,307.60/x
  3. Step 3: Cross multiply
    286,024.40x = 429,036.60 × 181,307.60
  4. Step 4: Simplify right side
    286,024.40x = 77,787,596,258.16
  5. Step 5: Solve for x
    x = 77,787,596,258.16/286,024.40
  6. Step 6: Final answer
    x = 271,961.40

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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.