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Finding the Fourth Proportional to 473,668.40, 710,502.60 and 422,058.80

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Solution

The fourth proportional to 473,668.40, 710,502.60 and 422,058.80 is: 633,088.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,668.40 : 710,502.60 = 422,058.80 : x
  2. Step 2: Convert to fraction form
    473,668.40/710,502.60 = 422,058.80/x
  3. Step 3: Cross multiply
    473,668.40x = 710,502.60 × 422,058.80
  4. Step 4: Simplify right side
    473,668.40x = 299,873,874,752.88
  5. Step 5: Solve for x
    x = 299,873,874,752.88/473,668.40
  6. Step 6: Final answer
    x = 633,088.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.