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Finding the Fourth Proportional to 527,611.74, 791,417.91 and 370,541.40

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Solution

The fourth proportional to 527,611.74, 791,417.91 and 370,541.40 is: 555,812.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,611.74 : 791,417.91 = 370,541.40 : x
  2. Step 2: Convert to fraction form
    527,611.74/791,417.91 = 370,541.40/x
  3. Step 3: Cross multiply
    527,611.74x = 791,417.91 × 370,541.40
  4. Step 4: Simplify right side
    527,611.74x = 293,253,104,019.06
  5. Step 5: Solve for x
    x = 293,253,104,019.06/527,611.74
  6. Step 6: Final answer
    x = 555,812.31

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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.