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Finding the Fourth Proportional to 566,443.76, 781,709.00 and 308,337.54

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Solution

The fourth proportional to 566,443.76, 781,709.00 and 308,337.54 is: 425,514.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,443.76 : 781,709.00 = 308,337.54 : x
  2. Step 2: Convert to fraction form
    566,443.76/781,709.00 = 308,337.54/x
  3. Step 3: Cross multiply
    566,443.76x = 781,709.00 × 308,337.54
  4. Step 4: Simplify right side
    566,443.76x = 241,030,225,582.76
  5. Step 5: Solve for x
    x = 241,030,225,582.76/566,443.76
  6. Step 6: Final answer
    x = 425,514.84

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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.