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Finding the Fourth Proportional to 434,501.70, 651,752.55 and 293,496.90

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Solution

The fourth proportional to 434,501.70, 651,752.55 and 293,496.90 is: 440,245.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,501.70 : 651,752.55 = 293,496.90 : x
  2. Step 2: Convert to fraction form
    434,501.70/651,752.55 = 293,496.90/x
  3. Step 3: Cross multiply
    434,501.70x = 651,752.55 × 293,496.90
  4. Step 4: Simplify right side
    434,501.70x = 191,287,352,992.10
  5. Step 5: Solve for x
    x = 191,287,352,992.10/434,501.70
  6. Step 6: Final answer
    x = 440,245.35

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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.