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Finding the Fourth Proportional to 357,022.04, 535,159.40 and 120,282.92

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Solution

The fourth proportional to 357,022.04, 535,159.40 and 120,282.92 is: 180,298.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,022.04 : 535,159.40 = 120,282.92 : x
  2. Step 2: Convert to fraction form
    357,022.04/535,159.40 = 120,282.92/x
  3. Step 3: Cross multiply
    357,022.04x = 535,159.40 × 120,282.92
  4. Step 4: Simplify right side
    357,022.04x = 64,370,535,297.45
  5. Step 5: Solve for x
    x = 64,370,535,297.45/357,022.04
  6. Step 6: Final answer
    x = 180,298.49

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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.