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Finding the Fourth Proportional to 583,877.60, 805,822.80 and 329,223.68

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Solution

The fourth proportional to 583,877.60, 805,822.80 and 329,223.68 is: 454,369.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,877.60 : 805,822.80 = 329,223.68 : x
  2. Step 2: Convert to fraction form
    583,877.60/805,822.80 = 329,223.68/x
  3. Step 3: Cross multiply
    583,877.60x = 805,822.80 × 329,223.68
  4. Step 4: Simplify right side
    583,877.60x = 265,295,947,643.90
  5. Step 5: Solve for x
    x = 265,295,947,643.90/583,877.60
  6. Step 6: Final answer
    x = 454,369.11

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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.