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Finding the Fourth Proportional to 370,681.44, 551,253.50 and 358,871.64

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Solution

The fourth proportional to 370,681.44, 551,253.50 and 358,871.64 is: 533,690.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,681.44 : 551,253.50 = 358,871.64 : x
  2. Step 2: Convert to fraction form
    370,681.44/551,253.50 = 358,871.64/x
  3. Step 3: Cross multiply
    370,681.44x = 551,253.50 × 358,871.64
  4. Step 4: Simplify right side
    370,681.44x = 197,829,245,806.38
  5. Step 5: Solve for x
    x = 197,829,245,806.38/370,681.44
  6. Step 6: Final answer
    x = 533,690.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.