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Finding the Fourth Proportional to 566,435.65, 781,755.84 and 340,095.73

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Solution

The fourth proportional to 566,435.65, 781,755.84 and 340,095.73 is: 469,376.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,435.65 : 781,755.84 = 340,095.73 : x
  2. Step 2: Convert to fraction form
    566,435.65/781,755.84 = 340,095.73/x
  3. Step 3: Cross multiply
    566,435.65x = 781,755.84 × 340,095.73
  4. Step 4: Simplify right side
    566,435.65x = 265,871,817,477.31
  5. Step 5: Solve for x
    x = 265,871,817,477.31/566,435.65
  6. Step 6: Final answer
    x = 469,376.92

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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.