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Finding the Fourth Proportional to 369,570.39, 553,636.55 and 242,825.53

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Solution

The fourth proportional to 369,570.39, 553,636.55 and 242,825.53 is: 363,765.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,570.39 : 553,636.55 = 242,825.53 : x
  2. Step 2: Convert to fraction form
    369,570.39/553,636.55 = 242,825.53/x
  3. Step 3: Cross multiply
    369,570.39x = 553,636.55 × 242,825.53
  4. Step 4: Simplify right side
    369,570.39x = 134,437,088,681.12
  5. Step 5: Solve for x
    x = 134,437,088,681.12/369,570.39
  6. Step 6: Final answer
    x = 363,765.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.