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Finding the Fourth Proportional to 560,649.60, 773,945.28 and 379,624.32

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Solution

The fourth proportional to 560,649.60, 773,945.28 and 379,624.32 is: 524,050.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,649.60 : 773,945.28 = 379,624.32 : x
  2. Step 2: Convert to fraction form
    560,649.60/773,945.28 = 379,624.32/x
  3. Step 3: Cross multiply
    560,649.60x = 773,945.28 × 379,624.32
  4. Step 4: Simplify right side
    560,649.60x = 293,808,450,637.21
  5. Step 5: Solve for x
    x = 293,808,450,637.21/560,649.60
  6. Step 6: Final answer
    x = 524,050.05

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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.