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Finding the Fourth Proportional to 363,488.16, 545,319.72 and 153,186.24

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Solution

The fourth proportional to 363,488.16, 545,319.72 and 153,186.24 is: 229,816.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,488.16 : 545,319.72 = 153,186.24 : x
  2. Step 2: Convert to fraction form
    363,488.16/545,319.72 = 153,186.24/x
  3. Step 3: Cross multiply
    363,488.16x = 545,319.72 × 153,186.24
  4. Step 4: Simplify right side
    363,488.16x = 83,535,477,504.65
  5. Step 5: Solve for x
    x = 83,535,477,504.65/363,488.16
  6. Step 6: Final answer
    x = 229,816.23

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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.