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Finding the Fourth Proportional to 370,679.94, 551,251.26 and 358,870.14

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Solution

The fourth proportional to 370,679.94, 551,251.26 and 358,870.14 is: 533,688.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,679.94 : 551,251.26 = 358,870.14 : x
  2. Step 2: Convert to fraction form
    370,679.94/551,251.26 = 358,870.14/x
  3. Step 3: Cross multiply
    370,679.94x = 551,251.26 × 358,870.14
  4. Step 4: Simplify right side
    370,679.94x = 197,827,616,851.38
  5. Step 5: Solve for x
    x = 197,827,616,851.38/370,679.94
  6. Step 6: Final answer
    x = 533,688.49

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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.