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Finding the Fourth Proportional to 566,128.82, 781,502.92 and 404,703.92

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Solution

The fourth proportional to 566,128.82, 781,502.92 and 404,703.92 is: 558,666.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,128.82 : 781,502.92 = 404,703.92 : x
  2. Step 2: Convert to fraction form
    566,128.82/781,502.92 = 404,703.92/x
  3. Step 3: Cross multiply
    566,128.82x = 781,502.92 × 404,703.92
  4. Step 4: Simplify right side
    566,128.82x = 316,277,295,215.45
  5. Step 5: Solve for x
    x = 316,277,295,215.45/566,128.82
  6. Step 6: Final answer
    x = 558,666.66

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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.