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Finding the Fourth Proportional to 253,482.40, 380,223.60 and 169,501.60

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Solution

The fourth proportional to 253,482.40, 380,223.60 and 169,501.60 is: 254,252.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,482.40 : 380,223.60 = 169,501.60 : x
  2. Step 2: Convert to fraction form
    253,482.40/380,223.60 = 169,501.60/x
  3. Step 3: Cross multiply
    253,482.40x = 380,223.60 × 169,501.60
  4. Step 4: Simplify right side
    253,482.40x = 64,448,508,557.76
  5. Step 5: Solve for x
    x = 64,448,508,557.76/253,482.40
  6. Step 6: Final answer
    x = 254,252.40

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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.