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Finding the Fourth Proportional to 337,030.70, 464,888.78 and 256,281.20

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Solution

The fourth proportional to 337,030.70, 464,888.78 and 256,281.20 is: 353,505.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,030.70 : 464,888.78 = 256,281.20 : x
  2. Step 2: Convert to fraction form
    337,030.70/464,888.78 = 256,281.20/x
  3. Step 3: Cross multiply
    337,030.70x = 464,888.78 × 256,281.20
  4. Step 4: Simplify right side
    337,030.70x = 119,142,254,404.94
  5. Step 5: Solve for x
    x = 119,142,254,404.94/337,030.70
  6. Step 6: Final answer
    x = 353,505.64

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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.