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Finding the Fourth Proportional to 306,424.80, 459,637.20 and 96,062.40

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Solution

The fourth proportional to 306,424.80, 459,637.20 and 96,062.40 is: 144,093.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,424.80 : 459,637.20 = 96,062.40 : x
  2. Step 2: Convert to fraction form
    306,424.80/459,637.20 = 96,062.40/x
  3. Step 3: Cross multiply
    306,424.80x = 459,637.20 × 96,062.40
  4. Step 4: Simplify right side
    306,424.80x = 44,153,852,561.28
  5. Step 5: Solve for x
    x = 44,153,852,561.28/306,424.80
  6. Step 6: Final answer
    x = 144,093.60

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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.