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Finding the Fourth Proportional to 385,033.50, 577,783.53 and 163,417.50

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Solution

The fourth proportional to 385,033.50, 577,783.53 and 163,417.50 is: 245,225.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,033.50 : 577,783.53 = 163,417.50 : x
  2. Step 2: Convert to fraction form
    385,033.50/577,783.53 = 163,417.50/x
  3. Step 3: Cross multiply
    385,033.50x = 577,783.53 × 163,417.50
  4. Step 4: Simplify right side
    385,033.50x = 94,419,940,013.78
  5. Step 5: Solve for x
    x = 94,419,940,013.78/385,033.50
  6. Step 6: Final answer
    x = 245,225.26

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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.