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Finding the Fourth Proportional to 713,659.20, 1,068,415.20 and 692,923.20

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Solution

The fourth proportional to 713,659.20, 1,068,415.20 and 692,923.20 is: 1,037,371.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,659.20 : 1,068,415.20 = 692,923.20 : x
  2. Step 2: Convert to fraction form
    713,659.20/1,068,415.20 = 692,923.20/x
  3. Step 3: Cross multiply
    713,659.20x = 1,068,415.20 × 692,923.20
  4. Step 4: Simplify right side
    713,659.20x = 740,329,679,312.64
  5. Step 5: Solve for x
    x = 740,329,679,312.64/713,659.20
  6. Step 6: Final answer
    x = 1,037,371.45

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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.