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Finding the Fourth Proportional to 567,459.48, 783,149.22 and 423,970.44

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Solution

The fourth proportional to 567,459.48, 783,149.22 and 423,970.44 is: 585,120.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,459.48 : 783,149.22 = 423,970.44 : x
  2. Step 2: Convert to fraction form
    567,459.48/783,149.22 = 423,970.44/x
  3. Step 3: Cross multiply
    567,459.48x = 783,149.22 × 423,970.44
  4. Step 4: Simplify right side
    567,459.48x = 332,032,119,389.06
  5. Step 5: Solve for x
    x = 332,032,119,389.06/567,459.48
  6. Step 6: Final answer
    x = 585,120.40

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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.