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Finding the Fourth Proportional to 483,145.77, 724,807.75 and 158,952.12

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Solution

The fourth proportional to 483,145.77, 724,807.75 and 158,952.12 is: 238,457.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,145.77 : 724,807.75 = 158,952.12 : x
  2. Step 2: Convert to fraction form
    483,145.77/724,807.75 = 158,952.12/x
  3. Step 3: Cross multiply
    483,145.77x = 724,807.75 × 158,952.12
  4. Step 4: Simplify right side
    483,145.77x = 115,209,730,671.29
  5. Step 5: Solve for x
    x = 115,209,730,671.29/483,145.77
  6. Step 6: Final answer
    x = 238,457.49

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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.