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Finding the Fourth Proportional to 713,423.33, 984,525.53 and 386,735.34

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Solution

The fourth proportional to 713,423.33, 984,525.53 and 386,735.34 is: 533,695.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,423.33 : 984,525.53 = 386,735.34 : x
  2. Step 2: Convert to fraction form
    713,423.33/984,525.53 = 386,735.34/x
  3. Step 3: Cross multiply
    713,423.33x = 984,525.53 × 386,735.34
  4. Step 4: Simplify right side
    713,423.33x = 380,750,817,341.52
  5. Step 5: Solve for x
    x = 380,750,817,341.52/713,423.33
  6. Step 6: Final answer
    x = 533,695.49

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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.