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Finding the Fourth Proportional to 344,127, 474,689.34 and 216,581.16

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Solution

The fourth proportional to 344,127, 474,689.34 and 216,581.16 is: 298,752.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,127 : 474,689.34 = 216,581.16 : x
  2. Step 2: Convert to fraction form
    344,127/474,689.34 = 216,581.16/x
  3. Step 3: Cross multiply
    344,127x = 474,689.34 × 216,581.16
  4. Step 4: Simplify right side
    344,127x = 102,808,767,896.83
  5. Step 5: Solve for x
    x = 102,808,767,896.83/344,127
  6. Step 6: Final answer
    x = 298,752.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.