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Finding the Fourth Proportional to 385,001.34, 577,280.34 and 148,313.22

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Solution

The fourth proportional to 385,001.34, 577,280.34 and 148,313.22 is: 222,384.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,001.34 : 577,280.34 = 148,313.22 : x
  2. Step 2: Convert to fraction form
    385,001.34/577,280.34 = 148,313.22/x
  3. Step 3: Cross multiply
    385,001.34x = 577,280.34 × 148,313.22
  4. Step 4: Simplify right side
    385,001.34x = 85,618,306,068.09
  5. Step 5: Solve for x
    x = 85,618,306,068.09/385,001.34
  6. Step 6: Final answer
    x = 222,384.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.