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Finding the Fourth Proportional to 608,866.72, 840,573.93 and 367,210.78

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Solution

The fourth proportional to 608,866.72, 840,573.93 and 367,210.78 is: 506,954.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,866.72 : 840,573.93 = 367,210.78 : x
  2. Step 2: Convert to fraction form
    608,866.72/840,573.93 = 367,210.78/x
  3. Step 3: Cross multiply
    608,866.72x = 840,573.93 × 367,210.78
  4. Step 4: Simplify right side
    608,866.72x = 308,667,808,482.97
  5. Step 5: Solve for x
    x = 308,667,808,482.97/608,866.72
  6. Step 6: Final answer
    x = 506,954.64

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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.