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Finding the Fourth Proportional to 406,473.16, 560,925.36 and 245,335

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Solution

The fourth proportional to 406,473.16, 560,925.36 and 245,335 is: 338,557.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,473.16 : 560,925.36 = 245,335 : x
  2. Step 2: Convert to fraction form
    406,473.16/560,925.36 = 245,335/x
  3. Step 3: Cross multiply
    406,473.16x = 560,925.36 × 245,335
  4. Step 4: Simplify right side
    406,473.16x = 137,614,623,195.60
  5. Step 5: Solve for x
    x = 137,614,623,195.60/406,473.16
  6. Step 6: Final answer
    x = 338,557.71

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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.