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Finding the Fourth Proportional to 570,191.52, 786,952.65 and 325,176.81

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Solution

The fourth proportional to 570,191.52, 786,952.65 and 325,176.81 is: 448,794.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,191.52 : 786,952.65 = 325,176.81 : x
  2. Step 2: Convert to fraction form
    570,191.52/786,952.65 = 325,176.81/x
  3. Step 3: Cross multiply
    570,191.52x = 786,952.65 × 325,176.81
  4. Step 4: Simplify right side
    570,191.52x = 255,898,752,348.05
  5. Step 5: Solve for x
    x = 255,898,752,348.05/570,191.52
  6. Step 6: Final answer
    x = 448,794.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.