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Finding the Fourth Proportional to 541,657.95, 747,478.80 and 299,935.35

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Solution

The fourth proportional to 541,657.95, 747,478.80 and 299,935.35 is: 413,905.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,657.95 : 747,478.80 = 299,935.35 : x
  2. Step 2: Convert to fraction form
    541,657.95/747,478.80 = 299,935.35/x
  3. Step 3: Cross multiply
    541,657.95x = 747,478.80 × 299,935.35
  4. Step 4: Simplify right side
    541,657.95x = 224,195,315,495.58
  5. Step 5: Solve for x
    x = 224,195,315,495.58/541,657.95
  6. Step 6: Final answer
    x = 413,905.70

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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.