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Finding the Fourth Proportional to 566,058.24, 781,154.24 and 311,409.60

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Solution

The fourth proportional to 566,058.24, 781,154.24 and 311,409.60 is: 429,741.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,058.24 : 781,154.24 = 311,409.60 : x
  2. Step 2: Convert to fraction form
    566,058.24/781,154.24 = 311,409.60/x
  3. Step 3: Cross multiply
    566,058.24x = 781,154.24 × 311,409.60
  4. Step 4: Simplify right side
    566,058.24x = 243,258,929,416.70
  5. Step 5: Solve for x
    x = 243,258,929,416.70/566,058.24
  6. Step 6: Final answer
    x = 429,741.87

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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.