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Finding the Fourth Proportional to 691,641.50, 955,252.59 and 464,893.34

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Solution

The fourth proportional to 691,641.50, 955,252.59 and 464,893.34 is: 642,082.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,641.50 : 955,252.59 = 464,893.34 : x
  2. Step 2: Convert to fraction form
    691,641.50/955,252.59 = 464,893.34/x
  3. Step 3: Cross multiply
    691,641.50x = 955,252.59 × 464,893.34
  4. Step 4: Simplify right side
    691,641.50x = 444,090,567,108.75
  5. Step 5: Solve for x
    x = 444,090,567,108.75/691,641.50
  6. Step 6: Final answer
    x = 642,082.01

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.