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Finding the Fourth Proportional to 536,260.76, 740,045.93 and 294,549

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Solution

The fourth proportional to 536,260.76, 740,045.93 and 294,549 is: 406,480.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,260.76 : 740,045.93 = 294,549 : x
  2. Step 2: Convert to fraction form
    536,260.76/740,045.93 = 294,549/x
  3. Step 3: Cross multiply
    536,260.76x = 740,045.93 × 294,549
  4. Step 4: Simplify right side
    536,260.76x = 217,979,788,635.57
  5. Step 5: Solve for x
    x = 217,979,788,635.57/536,260.76
  6. Step 6: Final answer
    x = 406,480.96

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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.