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Finding the Fourth Proportional to 560,698.48, 773,771.97 and 306,044.20

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Solution

The fourth proportional to 560,698.48, 773,771.97 and 306,044.20 is: 422,345.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,698.48 : 773,771.97 = 306,044.20 : x
  2. Step 2: Convert to fraction form
    560,698.48/773,771.97 = 306,044.20/x
  3. Step 3: Cross multiply
    560,698.48x = 773,771.97 × 306,044.20
  4. Step 4: Simplify right side
    560,698.48x = 236,808,423,541.07
  5. Step 5: Solve for x
    x = 236,808,423,541.07/560,698.48
  6. Step 6: Final answer
    x = 422,345.40

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1.5x scale

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.