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Finding the Fourth Proportional to 624,070.40, 936,256.80 and 180,838.40

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Solution

The fourth proportional to 624,070.40, 936,256.80 and 180,838.40 is: 271,301.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,070.40 : 936,256.80 = 180,838.40 : x
  2. Step 2: Convert to fraction form
    624,070.40/936,256.80 = 180,838.40/x
  3. Step 3: Cross multiply
    624,070.40x = 936,256.80 × 180,838.40
  4. Step 4: Simplify right side
    624,070.40x = 169,311,181,701.12
  5. Step 5: Solve for x
    x = 169,311,181,701.12/624,070.40
  6. Step 6: Final answer
    x = 271,301.41

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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.