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Finding the Fourth Proportional to 671,756.58, 926,981.82 and 369,950.58

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Solution

The fourth proportional to 671,756.58, 926,981.82 and 369,950.58 is: 510,508.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,756.58 : 926,981.82 = 369,950.58 : x
  2. Step 2: Convert to fraction form
    671,756.58/926,981.82 = 369,950.58/x
  3. Step 3: Cross multiply
    671,756.58x = 926,981.82 × 369,950.58
  4. Step 4: Simplify right side
    671,756.58x = 342,937,461,958.46
  5. Step 5: Solve for x
    x = 342,937,461,958.46/671,756.58
  6. Step 6: Final answer
    x = 510,508.53

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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.