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Finding the Fourth Proportional to 608,423.60, 910,885.80 and 372,227.60

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Solution

The fourth proportional to 608,423.60, 910,885.80 and 372,227.60 is: 557,271.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,423.60 : 910,885.80 = 372,227.60 : x
  2. Step 2: Convert to fraction form
    608,423.60/910,885.80 = 372,227.60/x
  3. Step 3: Cross multiply
    608,423.60x = 910,885.80 × 372,227.60
  4. Step 4: Simplify right side
    608,423.60x = 339,056,835,208.08
  5. Step 5: Solve for x
    x = 339,056,835,208.08/608,423.60
  6. Step 6: Final answer
    x = 557,271.01

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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.