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Finding the Fourth Proportional to 375,565,516.80, 562,676,428.80 and 321,817,804.80

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Solution

The fourth proportional to 375,565,516.80, 562,676,428.80 and 321,817,804.80 is: 482,151,009.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,565,516.80 : 562,676,428.80 = 321,817,804.80 : x
  2. Step 2: Convert to fraction form
    375,565,516.80/562,676,428.80 = 321,817,804.80/x
  3. Step 3: Cross multiply
    375,565,516.80x = 562,676,428.80 × 321,817,804.80
  4. Step 4: Simplify right side
    375,565,516.80x = 181,079,293,129,119,488
  5. Step 5: Solve for x
    x = 181,079,293,129,119,488/375,565,516.80
  6. Step 6: Final answer
    x = 482,151,009.69

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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.