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Finding the Fourth Proportional to 343,252.40, 514,927.20 and 106,570.40

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Solution

The fourth proportional to 343,252.40, 514,927.20 and 106,570.40 is: 159,870.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,252.40 : 514,927.20 = 106,570.40 : x
  2. Step 2: Convert to fraction form
    343,252.40/514,927.20 = 106,570.40/x
  3. Step 3: Cross multiply
    343,252.40x = 514,927.20 × 106,570.40
  4. Step 4: Simplify right side
    343,252.40x = 54,875,997,674.88
  5. Step 5: Solve for x
    x = 54,875,997,674.88/343,252.40
  6. Step 6: Final answer
    x = 159,870.69

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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.