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Finding the Fourth Proportional to 434,506.20, 651,759.30 and 293,501.40

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Solution

The fourth proportional to 434,506.20, 651,759.30 and 293,501.40 is: 440,252.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,506.20 : 651,759.30 = 293,501.40 : x
  2. Step 2: Convert to fraction form
    434,506.20/651,759.30 = 293,501.40/x
  3. Step 3: Cross multiply
    434,506.20x = 651,759.30 × 293,501.40
  4. Step 4: Simplify right side
    434,506.20x = 191,292,267,013.02
  5. Step 5: Solve for x
    x = 191,292,267,013.02/434,506.20
  6. Step 6: Final answer
    x = 440,252.10

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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.