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Finding the Fourth Proportional to 566,560.74, 781,910.30 and 423,071.67

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Solution

The fourth proportional to 566,560.74, 781,910.30 and 423,071.67 is: 583,881.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,560.74 : 781,910.30 = 423,071.67 : x
  2. Step 2: Convert to fraction form
    566,560.74/781,910.30 = 423,071.67/x
  3. Step 3: Cross multiply
    566,560.74x = 781,910.30 × 423,071.67
  4. Step 4: Simplify right side
    566,560.74x = 330,804,096,411.20
  5. Step 5: Solve for x
    x = 330,804,096,411.20/566,560.74
  6. Step 6: Final answer
    x = 583,881.08

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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.