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Finding the Fourth Proportional to 618,279.55, 927,552.77 and 191,807.06

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Solution

The fourth proportional to 618,279.55, 927,552.77 and 191,807.06 is: 287,751.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,279.55 : 927,552.77 = 191,807.06 : x
  2. Step 2: Convert to fraction form
    618,279.55/927,552.77 = 191,807.06/x
  3. Step 3: Cross multiply
    618,279.55x = 927,552.77 × 191,807.06
  4. Step 4: Simplify right side
    618,279.55x = 177,911,164,931.03
  5. Step 5: Solve for x
    x = 177,911,164,931.03/618,279.55
  6. Step 6: Final answer
    x = 287,751.98

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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.