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Finding the Fourth Proportional to 771,216.60, 1,154,856.60 and 613,752.60

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Solution

The fourth proportional to 771,216.60, 1,154,856.60 and 613,752.60 is: 919,062.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,216.60 : 1,154,856.60 = 613,752.60 : x
  2. Step 2: Convert to fraction form
    771,216.60/1,154,856.60 = 613,752.60/x
  3. Step 3: Cross multiply
    771,216.60x = 1,154,856.60 × 613,752.60
  4. Step 4: Simplify right side
    771,216.60x = 708,796,240,877.16
  5. Step 5: Solve for x
    x = 708,796,240,877.16/771,216.60
  6. Step 6: Final answer
    x = 919,062.48

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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.