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Finding the Fourth Proportional to 708,066, 977,171.40 and 533,322.96

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Solution

The fourth proportional to 708,066, 977,171.40 and 533,322.96 is: 736,016.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,066 : 977,171.40 = 533,322.96 : x
  2. Step 2: Convert to fraction form
    708,066/977,171.40 = 533,322.96/x
  3. Step 3: Cross multiply
    708,066x = 977,171.40 × 533,322.96
  4. Step 4: Simplify right side
    708,066x = 521,147,943,475.34
  5. Step 5: Solve for x
    x = 521,147,943,475.34/708,066
  6. Step 6: Final answer
    x = 736,016.05

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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.