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Finding the Fourth Proportional to 363,406,875.30, 545,110,312.95 and 363,406,875.30

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Solution

The fourth proportional to 363,406,875.30, 545,110,312.95 and 363,406,875.30 is: 545,110,312.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,406,875.30 : 545,110,312.95 = 363,406,875.30 : x
  2. Step 2: Convert to fraction form
    363,406,875.30/545,110,312.95 = 363,406,875.30/x
  3. Step 3: Cross multiply
    363,406,875.30x = 545,110,312.95 × 363,406,875.30
  4. Step 4: Simplify right side
    363,406,875.30x = 198,096,835,522,964,640
  5. Step 5: Solve for x
    x = 198,096,835,522,964,640/363,406,875.30
  6. Step 6: Final answer
    x = 545,110,312.95

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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.