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Finding the Fourth Proportional to 434,853.20, 651,502.20 and 372,645.20

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Solution

The fourth proportional to 434,853.20, 651,502.20 and 372,645.20 is: 558,301.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,853.20 : 651,502.20 = 372,645.20 : x
  2. Step 2: Convert to fraction form
    434,853.20/651,502.20 = 372,645.20/x
  3. Step 3: Cross multiply
    434,853.20x = 651,502.20 × 372,645.20
  4. Step 4: Simplify right side
    434,853.20x = 242,779,167,619.44
  5. Step 5: Solve for x
    x = 242,779,167,619.44/434,853.20
  6. Step 6: Final answer
    x = 558,301.44

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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.