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Finding the Fourth Proportional to 406,953.70, 610,430.55 and 361,852.90

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Solution

The fourth proportional to 406,953.70, 610,430.55 and 361,852.90 is: 542,779.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,953.70 : 610,430.55 = 361,852.90 : x
  2. Step 2: Convert to fraction form
    406,953.70/610,430.55 = 361,852.90/x
  3. Step 3: Cross multiply
    406,953.70x = 610,430.55 × 361,852.90
  4. Step 4: Simplify right side
    406,953.70x = 220,886,064,766.10
  5. Step 5: Solve for x
    x = 220,886,064,766.10/406,953.70
  6. Step 6: Final answer
    x = 542,779.35

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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.