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Finding the Fourth Proportional to 602,200.74, 828,950.85 and 520,491.45

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Solution

The fourth proportional to 602,200.74, 828,950.85 and 520,491.45 is: 716,475.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,200.74 : 828,950.85 = 520,491.45 : x
  2. Step 2: Convert to fraction form
    602,200.74/828,950.85 = 520,491.45/x
  3. Step 3: Cross multiply
    602,200.74x = 828,950.85 × 520,491.45
  4. Step 4: Simplify right side
    602,200.74x = 431,461,829,895.23
  5. Step 5: Solve for x
    x = 431,461,829,895.23/602,200.74
  6. Step 6: Final answer
    x = 716,475.09

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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.