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Finding the Fourth Proportional to 443,569.39, 612,125.73 and 242,365.39

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Solution

The fourth proportional to 443,569.39, 612,125.73 and 242,365.39 is: 334,464.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,569.39 : 612,125.73 = 242,365.39 : x
  2. Step 2: Convert to fraction form
    443,569.39/612,125.73 = 242,365.39/x
  3. Step 3: Cross multiply
    443,569.39x = 612,125.73 × 242,365.39
  4. Step 4: Simplify right side
    443,569.39x = 148,358,091,280.49
  5. Step 5: Solve for x
    x = 148,358,091,280.49/443,569.39
  6. Step 6: Final answer
    x = 334,464.22

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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.