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Finding the Fourth Proportional to 473,779.88, 710,591.93 and 170,111.16

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Solution

The fourth proportional to 473,779.88, 710,591.93 and 170,111.16 is: 255,138.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,779.88 : 710,591.93 = 170,111.16 : x
  2. Step 2: Convert to fraction form
    473,779.88/710,591.93 = 170,111.16/x
  3. Step 3: Cross multiply
    473,779.88x = 710,591.93 × 170,111.16
  4. Step 4: Simplify right side
    473,779.88x = 120,879,613,945.98
  5. Step 5: Solve for x
    x = 120,879,613,945.98/473,779.88
  6. Step 6: Final answer
    x = 255,138.77

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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.