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Finding the Fourth Proportional to 292,097.80, 403,000.50 and 163,015.30

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Solution

The fourth proportional to 292,097.80, 403,000.50 and 163,015.30 is: 224,908.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,097.80 : 403,000.50 = 163,015.30 : x
  2. Step 2: Convert to fraction form
    292,097.80/403,000.50 = 163,015.30/x
  3. Step 3: Cross multiply
    292,097.80x = 403,000.50 × 163,015.30
  4. Step 4: Simplify right side
    292,097.80x = 65,695,247,407.65
  5. Step 5: Solve for x
    x = 65,695,247,407.65/292,097.80
  6. Step 6: Final answer
    x = 224,908.40

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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.