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Finding the Fourth Proportional to 385,581.58, 532,026.95 and 242,258.58

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Solution

The fourth proportional to 385,581.58, 532,026.95 and 242,258.58 is: 334,269.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,581.58 : 532,026.95 = 242,258.58 : x
  2. Step 2: Convert to fraction form
    385,581.58/532,026.95 = 242,258.58/x
  3. Step 3: Cross multiply
    385,581.58x = 532,026.95 × 242,258.58
  4. Step 4: Simplify right side
    385,581.58x = 128,888,094,034.38
  5. Step 5: Solve for x
    x = 128,888,094,034.38/385,581.58
  6. Step 6: Final answer
    x = 334,269.33

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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.