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Finding the Fourth Proportional to 291,684.93, 402,525.48 and 157,548.93

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Solution

The fourth proportional to 291,684.93, 402,525.48 and 157,548.93 is: 217,417.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,684.93 : 402,525.48 = 157,548.93 : x
  2. Step 2: Convert to fraction form
    291,684.93/402,525.48 = 157,548.93/x
  3. Step 3: Cross multiply
    291,684.93x = 402,525.48 × 157,548.93
  4. Step 4: Simplify right side
    291,684.93x = 63,417,458,671.74
  5. Step 5: Solve for x
    x = 63,417,458,671.74/291,684.93
  6. Step 6: Final answer
    x = 217,417.67

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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.