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Finding the Fourth Proportional to 567,864.04, 783,649.16 and 313,214.62

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Solution

The fourth proportional to 567,864.04, 783,649.16 and 313,214.62 is: 432,234.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,864.04 : 783,649.16 = 313,214.62 : x
  2. Step 2: Convert to fraction form
    567,864.04/783,649.16 = 313,214.62/x
  3. Step 3: Cross multiply
    567,864.04x = 783,649.16 × 313,214.62
  4. Step 4: Simplify right side
    567,864.04x = 245,450,373,862.72
  5. Step 5: Solve for x
    x = 245,450,373,862.72/567,864.04
  6. Step 6: Final answer
    x = 432,234.40

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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.