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Finding the Fourth Proportional to 544,005.60, 816,008.40 and 514,975.20

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Solution

The fourth proportional to 544,005.60, 816,008.40 and 514,975.20 is: 772,462.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,005.60 : 816,008.40 = 514,975.20 : x
  2. Step 2: Convert to fraction form
    544,005.60/816,008.40 = 514,975.20/x
  3. Step 3: Cross multiply
    544,005.60x = 816,008.40 × 514,975.20
  4. Step 4: Simplify right side
    544,005.60x = 420,224,088,991.68
  5. Step 5: Solve for x
    x = 420,224,088,991.68/544,005.60
  6. Step 6: Final answer
    x = 772,462.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.