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Finding the Fourth Proportional to 657,155.65, 985,621.69 and 183,730.90

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Solution

The fourth proportional to 657,155.65, 985,621.69 and 183,730.90 is: 275,565.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,155.65 : 985,621.69 = 183,730.90 : x
  2. Step 2: Convert to fraction form
    657,155.65/985,621.69 = 183,730.90/x
  3. Step 3: Cross multiply
    657,155.65x = 985,621.69 × 183,730.90
  4. Step 4: Simplify right side
    657,155.65x = 181,089,160,163.22
  5. Step 5: Solve for x
    x = 181,089,160,163.22/657,155.65
  6. Step 6: Final answer
    x = 275,565.10

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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.