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Finding the Fourth Proportional to 963,573.84, 1,329,693.72 and 533,860.56

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Solution

The fourth proportional to 963,573.84, 1,329,693.72 and 533,860.56 is: 736,706.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,573.84 : 1,329,693.72 = 533,860.56 : x
  2. Step 2: Convert to fraction form
    963,573.84/1,329,693.72 = 533,860.56/x
  3. Step 3: Cross multiply
    963,573.84x = 1,329,693.72 × 533,860.56
  4. Step 4: Simplify right side
    963,573.84x = 709,871,033,987.68
  5. Step 5: Solve for x
    x = 709,871,033,987.68/963,573.84
  6. Step 6: Final answer
    x = 736,706.42

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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.