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Finding the Fourth Proportional to 478,667.02, 660,547.47 and 263,807.02

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Solution

The fourth proportional to 478,667.02, 660,547.47 and 263,807.02 is: 364,046.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,667.02 : 660,547.47 = 263,807.02 : x
  2. Step 2: Convert to fraction form
    478,667.02/660,547.47 = 263,807.02/x
  3. Step 3: Cross multiply
    478,667.02x = 660,547.47 × 263,807.02
  4. Step 4: Simplify right side
    478,667.02x = 174,257,059,629.24
  5. Step 5: Solve for x
    x = 174,257,059,629.24/478,667.02
  6. Step 6: Final answer
    x = 364,046.51

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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.