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Finding the Fourth Proportional to 445,055.78, 614,528.98 and 411,050.67

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Solution

The fourth proportional to 445,055.78, 614,528.98 and 411,050.67 is: 567,575.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,055.78 : 614,528.98 = 411,050.67 : x
  2. Step 2: Convert to fraction form
    445,055.78/614,528.98 = 411,050.67/x
  3. Step 3: Cross multiply
    445,055.78x = 614,528.98 × 411,050.67
  4. Step 4: Simplify right side
    445,055.78x = 252,602,545,631.31
  5. Step 5: Solve for x
    x = 252,602,545,631.31/445,055.78
  6. Step 6: Final answer
    x = 567,575.02

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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.