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Finding the Fourth Proportional to 662,783.20, 896,157 and 662,783.20

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Solution

The fourth proportional to 662,783.20, 896,157 and 662,783.20 is: 896,157.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,783.20 : 896,157 = 662,783.20 : x
  2. Step 2: Convert to fraction form
    662,783.20/896,157 = 662,783.20/x
  3. Step 3: Cross multiply
    662,783.20x = 896,157 × 662,783.20
  4. Step 4: Simplify right side
    662,783.20x = 593,957,804,162.40
  5. Step 5: Solve for x
    x = 593,957,804,162.40/662,783.20
  6. Step 6: Final answer
    x = 896,157.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.