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Finding the Fourth Proportional to 633,045.80, 873,613.62 and 346,561.16

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Solution

The fourth proportional to 633,045.80, 873,613.62 and 346,561.16 is: 478,260.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,045.80 : 873,613.62 = 346,561.16 : x
  2. Step 2: Convert to fraction form
    633,045.80/873,613.62 = 346,561.16/x
  3. Step 3: Cross multiply
    633,045.80x = 873,613.62 × 346,561.16
  4. Step 4: Simplify right side
    633,045.80x = 302,760,549,539.00
  5. Step 5: Solve for x
    x = 302,760,549,539.00/633,045.80
  6. Step 6: Final answer
    x = 478,260.10

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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.