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Finding the Fourth Proportional to 583,809.84, 805,639.32 and 329,157.36

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Solution

The fourth proportional to 583,809.84, 805,639.32 and 329,157.36 is: 454,226.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,809.84 : 805,639.32 = 329,157.36 : x
  2. Step 2: Convert to fraction form
    583,809.84/805,639.32 = 329,157.36/x
  3. Step 3: Cross multiply
    583,809.84x = 805,639.32 × 329,157.36
  4. Step 4: Simplify right side
    583,809.84x = 265,182,111,683.40
  5. Step 5: Solve for x
    x = 265,182,111,683.40/583,809.84
  6. Step 6: Final answer
    x = 454,226.86

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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.