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Finding the Fourth Proportional to 632,528.96, 872,874.98 and 346,051.40

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Solution

The fourth proportional to 632,528.96, 872,874.98 and 346,051.40 is: 477,542.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,528.96 : 872,874.98 = 346,051.40 : x
  2. Step 2: Convert to fraction form
    632,528.96/872,874.98 = 346,051.40/x
  3. Step 3: Cross multiply
    632,528.96x = 872,874.98 × 346,051.40
  4. Step 4: Simplify right side
    632,528.96x = 302,059,602,759.34
  5. Step 5: Solve for x
    x = 302,059,602,759.34/632,528.96
  6. Step 6: Final answer
    x = 477,542.73

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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.