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Finding the Fourth Proportional to 385,582.53, 532,028.27 and 242,259.53

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Solution

The fourth proportional to 385,582.53, 532,028.27 and 242,259.53 is: 334,270.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,582.53 : 532,028.27 = 242,259.53 : x
  2. Step 2: Convert to fraction form
    385,582.53/532,028.27 = 242,259.53/x
  3. Step 3: Cross multiply
    385,582.53x = 532,028.27 × 242,259.53
  4. Step 4: Simplify right side
    385,582.53x = 128,888,918,636.91
  5. Step 5: Solve for x
    x = 128,888,918,636.91/385,582.53
  6. Step 6: Final answer
    x = 334,270.64

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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.