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Finding the Fourth Proportional to 549,659.52, 758,386.80 and 317,029.14

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Solution

The fourth proportional to 549,659.52, 758,386.80 and 317,029.14 is: 437,417.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,659.52 : 758,386.80 = 317,029.14 : x
  2. Step 2: Convert to fraction form
    549,659.52/758,386.80 = 317,029.14/x
  3. Step 3: Cross multiply
    549,659.52x = 758,386.80 × 317,029.14
  4. Step 4: Simplify right side
    549,659.52x = 240,430,714,991.35
  5. Step 5: Solve for x
    x = 240,430,714,991.35/549,659.52
  6. Step 6: Final answer
    x = 437,417.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.