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Finding the Fourth Proportional to 560,458,992.83, 840,768,719.33 and 172,314,410.00

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Solution

The fourth proportional to 560,458,992.83, 840,768,719.33 and 172,314,410.00 is: 258,496,281.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,458,992.83 : 840,768,719.33 = 172,314,410.00 : x
  2. Step 2: Convert to fraction form
    560,458,992.83/840,768,719.33 = 172,314,410.00/x
  3. Step 3: Cross multiply
    560,458,992.83x = 840,768,719.33 × 172,314,410.00
  4. Step 4: Simplify right side
    560,458,992.83x = 144,876,565,814,031,488
  5. Step 5: Solve for x
    x = 144,876,565,814,031,488/560,458,992.83
  6. Step 6: Final answer
    x = 258,496,281.92

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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.