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Finding the Fourth Proportional to 294,393.15, 439,325.71 and 292,709.16

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Solution

The fourth proportional to 294,393.15, 439,325.71 and 292,709.16 is: 436,812.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,393.15 : 439,325.71 = 292,709.16 : x
  2. Step 2: Convert to fraction form
    294,393.15/439,325.71 = 292,709.16/x
  3. Step 3: Cross multiply
    294,393.15x = 439,325.71 × 292,709.16
  4. Step 4: Simplify right side
    294,393.15x = 128,594,658,808.73
  5. Step 5: Solve for x
    x = 128,594,658,808.73/294,393.15
  6. Step 6: Final answer
    x = 436,812.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.