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Finding the Fourth Proportional to 714,840.06, 986,700.72 and 460,191.25

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Solution

The fourth proportional to 714,840.06, 986,700.72 and 460,191.25 is: 635,206.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,840.06 : 986,700.72 = 460,191.25 : x
  2. Step 2: Convert to fraction form
    714,840.06/986,700.72 = 460,191.25/x
  3. Step 3: Cross multiply
    714,840.06x = 986,700.72 × 460,191.25
  4. Step 4: Simplify right side
    714,840.06x = 454,071,037,712.70
  5. Step 5: Solve for x
    x = 454,071,037,712.70/714,840.06
  6. Step 6: Final answer
    x = 635,206.48

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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.