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Finding the Fourth Proportional to 343,013.40, 514,520.10 and 93,695.40

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Solution

The fourth proportional to 343,013.40, 514,520.10 and 93,695.40 is: 140,543.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,013.40 : 514,520.10 = 93,695.40 : x
  2. Step 2: Convert to fraction form
    343,013.40/514,520.10 = 93,695.40/x
  3. Step 3: Cross multiply
    343,013.40x = 514,520.10 × 93,695.40
  4. Step 4: Simplify right side
    343,013.40x = 48,208,166,577.54
  5. Step 5: Solve for x
    x = 48,208,166,577.54/343,013.40
  6. Step 6: Final answer
    x = 140,543.10

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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.