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Finding the Fourth Proportional to 614,788.51, 848,406.50 and 342,856.72

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Solution

The fourth proportional to 614,788.51, 848,406.50 and 342,856.72 is: 473,141.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,788.51 : 848,406.50 = 342,856.72 : x
  2. Step 2: Convert to fraction form
    614,788.51/848,406.50 = 342,856.72/x
  3. Step 3: Cross multiply
    614,788.51x = 848,406.50 × 342,856.72
  4. Step 4: Simplify right side
    614,788.51x = 290,881,865,882.65
  5. Step 5: Solve for x
    x = 290,881,865,882.65/614,788.51
  6. Step 6: Final answer
    x = 473,141.35

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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.