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Finding the Fourth Proportional to 567,673.92, 783,332.64 and 313,018.56

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Solution

The fourth proportional to 567,673.92, 783,332.64 and 313,018.56 is: 431,933.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,673.92 : 783,332.64 = 313,018.56 : x
  2. Step 2: Convert to fraction form
    567,673.92/783,332.64 = 313,018.56/x
  3. Step 3: Cross multiply
    567,673.92x = 783,332.64 × 313,018.56
  4. Step 4: Simplify right side
    567,673.92x = 245,197,654,973.80
  5. Step 5: Solve for x
    x = 245,197,654,973.80/567,673.92
  6. Step 6: Final answer
    x = 431,933.98

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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.