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Finding the Fourth Proportional to 633,071.04, 873,653.28 and 346,590.24

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Solution

The fourth proportional to 633,071.04, 873,653.28 and 346,590.24 is: 478,302.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,071.04 : 873,653.28 = 346,590.24 : x
  2. Step 2: Convert to fraction form
    633,071.04/873,653.28 = 346,590.24/x
  3. Step 3: Cross multiply
    633,071.04x = 873,653.28 × 346,590.24
  4. Step 4: Simplify right side
    633,071.04x = 302,799,699,991.99
  5. Step 5: Solve for x
    x = 302,799,699,991.99/633,071.04
  6. Step 6: Final answer
    x = 478,302.88

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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.