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Finding the Fourth Proportional to 630,768.94, 946,547.07 and 256,791.94

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Solution

The fourth proportional to 630,768.94, 946,547.07 and 256,791.94 is: 385,348.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,768.94 : 946,547.07 = 256,791.94 : x
  2. Step 2: Convert to fraction form
    630,768.94/946,547.07 = 256,791.94/x
  3. Step 3: Cross multiply
    630,768.94x = 946,547.07 × 256,791.94
  4. Step 4: Simplify right side
    630,768.94x = 243,065,655,077.28
  5. Step 5: Solve for x
    x = 243,065,655,077.28/630,768.94
  6. Step 6: Final answer
    x = 385,348.17

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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.