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Finding the Fourth Proportional to 540,356.06, 745,693.84 and 295,345.86

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Solution

The fourth proportional to 540,356.06, 745,693.84 and 295,345.86 is: 407,578.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,356.06 : 745,693.84 = 295,345.86 : x
  2. Step 2: Convert to fraction form
    540,356.06/745,693.84 = 295,345.86/x
  3. Step 3: Cross multiply
    540,356.06x = 745,693.84 × 295,345.86
  4. Step 4: Simplify right side
    540,356.06x = 220,237,588,471.50
  5. Step 5: Solve for x
    x = 220,237,588,471.50/540,356.06
  6. Step 6: Final answer
    x = 407,578.64

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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.