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Finding the Fourth Proportional to 464,700.36, 696,769.40 and 208,486.02

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Solution

The fourth proportional to 464,700.36, 696,769.40 and 208,486.02 is: 312,602.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,700.36 : 696,769.40 = 208,486.02 : x
  2. Step 2: Convert to fraction form
    464,700.36/696,769.40 = 208,486.02/x
  3. Step 3: Cross multiply
    464,700.36x = 696,769.40 × 208,486.02
  4. Step 4: Simplify right side
    464,700.36x = 145,266,679,585.00
  5. Step 5: Solve for x
    x = 145,266,679,585.00/464,700.36
  6. Step 6: Final answer
    x = 312,602.90

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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.