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Finding the Fourth Proportional to 527,543.80, 791,315.70 and 504,507.40

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Solution

The fourth proportional to 527,543.80, 791,315.70 and 504,507.40 is: 756,761.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,543.80 : 791,315.70 = 504,507.40 : x
  2. Step 2: Convert to fraction form
    527,543.80/791,315.70 = 504,507.40/x
  3. Step 3: Cross multiply
    527,543.80x = 791,315.70 × 504,507.40
  4. Step 4: Simplify right side
    527,543.80x = 399,224,626,386.18
  5. Step 5: Solve for x
    x = 399,224,626,386.18/527,543.80
  6. Step 6: Final answer
    x = 756,761.10

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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.