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Finding the Fourth Proportional to 671,868.63, 927,178.65 and 370,062.63

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Solution

The fourth proportional to 671,868.63, 927,178.65 and 370,062.63 is: 510,686.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,868.63 : 927,178.65 = 370,062.63 : x
  2. Step 2: Convert to fraction form
    671,868.63/927,178.65 = 370,062.63/x
  3. Step 3: Cross multiply
    671,868.63x = 927,178.65 × 370,062.63
  4. Step 4: Simplify right side
    671,868.63x = 343,114,169,698.85
  5. Step 5: Solve for x
    x = 343,114,169,698.85/671,868.63
  6. Step 6: Final answer
    x = 510,686.40

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Double scale
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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.