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Finding the Fourth Proportional to 434,520.10, 651,780.15 and 434,520.10

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Solution

The fourth proportional to 434,520.10, 651,780.15 and 434,520.10 is: 651,780.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,520.10 : 651,780.15 = 434,520.10 : x
  2. Step 2: Convert to fraction form
    434,520.10/651,780.15 = 434,520.10/x
  3. Step 3: Cross multiply
    434,520.10x = 651,780.15 × 434,520.10
  4. Step 4: Simplify right side
    434,520.10x = 283,211,575,956.02
  5. Step 5: Solve for x
    x = 283,211,575,956.02/434,520.10
  6. Step 6: Final answer
    x = 651,780.15

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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.