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Finding the Fourth Proportional to 651,808.80, 913,154.40 and 651,808.80

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Solution

The fourth proportional to 651,808.80, 913,154.40 and 651,808.80 is: 913,154.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,808.80 : 913,154.40 = 651,808.80 : x
  2. Step 2: Convert to fraction form
    651,808.80/913,154.40 = 651,808.80/x
  3. Step 3: Cross multiply
    651,808.80x = 913,154.40 × 651,808.80
  4. Step 4: Simplify right side
    651,808.80x = 595,202,073,678.72
  5. Step 5: Solve for x
    x = 595,202,073,678.72/651,808.80
  6. Step 6: Final answer
    x = 913,154.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.