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Finding the Fourth Proportional to 473,164.80, 708,580.80 and 314,534.40

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Solution

The fourth proportional to 473,164.80, 708,580.80 and 314,534.40 is: 471,026.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,164.80 : 708,580.80 = 314,534.40 : x
  2. Step 2: Convert to fraction form
    473,164.80/708,580.80 = 314,534.40/x
  3. Step 3: Cross multiply
    473,164.80x = 708,580.80 × 314,534.40
  4. Step 4: Simplify right side
    473,164.80x = 222,873,036,779.52
  5. Step 5: Solve for x
    x = 222,873,036,779.52/473,164.80
  6. Step 6: Final answer
    x = 471,026.24

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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.