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Finding the Fourth Proportional to 464,433.30, 696,649.95 and 371,121.30

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Solution

The fourth proportional to 464,433.30, 696,649.95 and 371,121.30 is: 556,681.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,433.30 : 696,649.95 = 371,121.30 : x
  2. Step 2: Convert to fraction form
    464,433.30/696,649.95 = 371,121.30/x
  3. Step 3: Cross multiply
    464,433.30x = 696,649.95 × 371,121.30
  4. Step 4: Simplify right side
    464,433.30x = 258,541,635,088.94
  5. Step 5: Solve for x
    x = 258,541,635,088.94/464,433.30
  6. Step 6: Final answer
    x = 556,681.95

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Double scale
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Similar ratio
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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.