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Finding the Fourth Proportional to 734,754, 1,014,109.72 and 424,669.74

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Solution

The fourth proportional to 734,754, 1,014,109.72 and 424,669.74 is: 586,130.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,754 : 1,014,109.72 = 424,669.74 : x
  2. Step 2: Convert to fraction form
    734,754/1,014,109.72 = 424,669.74/x
  3. Step 3: Cross multiply
    734,754x = 1,014,109.72 × 424,669.74
  4. Step 4: Simplify right side
    734,754x = 430,661,711,123.87
  5. Step 5: Solve for x
    x = 430,661,711,123.87/734,754
  6. Step 6: Final answer
    x = 586,130.48

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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.