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Finding the Fourth Proportional to 583,423.60, 873,191.40 and 423,043.60

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Solution

The fourth proportional to 583,423.60, 873,191.40 and 423,043.60 is: 633,155.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,423.60 : 873,191.40 = 423,043.60 : x
  2. Step 2: Convert to fraction form
    583,423.60/873,191.40 = 423,043.60/x
  3. Step 3: Cross multiply
    583,423.60x = 873,191.40 × 423,043.60
  4. Step 4: Simplify right side
    583,423.60x = 369,398,033,345.04
  5. Step 5: Solve for x
    x = 369,398,033,345.04/583,423.60
  6. Step 6: Final answer
    x = 633,155.80

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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.