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Finding the Fourth Proportional to 286,586,331.30, 429,879,496.95 and 286,586,331.30

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Solution

The fourth proportional to 286,586,331.30, 429,879,496.95 and 286,586,331.30 is: 429,879,496.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,586,331.30 : 429,879,496.95 = 286,586,331.30 : x
  2. Step 2: Convert to fraction form
    286,586,331.30/429,879,496.95 = 286,586,331.30/x
  3. Step 3: Cross multiply
    286,586,331.30x = 429,879,496.95 × 286,586,331.30
  4. Step 4: Simplify right side
    286,586,331.30x = 123,197,587,931,990,048
  5. Step 5: Solve for x
    x = 123,197,587,931,990,048/286,586,331.30
  6. Step 6: Final answer
    x = 429,879,496.95

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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.