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Finding the Fourth Proportional to 632,590.88, 872,967.64 and 346,106.84

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Solution

The fourth proportional to 632,590.88, 872,967.64 and 346,106.84 is: 477,623.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,590.88 : 872,967.64 = 346,106.84 : x
  2. Step 2: Convert to fraction form
    632,590.88/872,967.64 = 346,106.84/x
  3. Step 3: Cross multiply
    632,590.88x = 872,967.64 × 346,106.84
  4. Step 4: Simplify right side
    632,590.88x = 302,140,071,302.66
  5. Step 5: Solve for x
    x = 302,140,071,302.66/632,590.88
  6. Step 6: Final answer
    x = 477,623.19

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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.