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Finding the Fourth Proportional to 699,888.12, 965,082.78 and 473,139.96

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Solution

The fourth proportional to 699,888.12, 965,082.78 and 473,139.96 is: 652,417.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,888.12 : 965,082.78 = 473,139.96 : x
  2. Step 2: Convert to fraction form
    699,888.12/965,082.78 = 473,139.96/x
  3. Step 3: Cross multiply
    699,888.12x = 965,082.78 × 473,139.96
  4. Step 4: Simplify right side
    699,888.12x = 456,619,227,925.89
  5. Step 5: Solve for x
    x = 456,619,227,925.89/699,888.12
  6. Step 6: Final answer
    x = 652,417.46

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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.