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Finding the Fourth Proportional to 700,888.40, 967,225.40 and 378,598.40

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Solution

The fourth proportional to 700,888.40, 967,225.40 and 378,598.40 is: 522,465.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,888.40 : 967,225.40 = 378,598.40 : x
  2. Step 2: Convert to fraction form
    700,888.40/967,225.40 = 378,598.40/x
  3. Step 3: Cross multiply
    700,888.40x = 967,225.40 × 378,598.40
  4. Step 4: Simplify right side
    700,888.40x = 366,189,988,879.36
  5. Step 5: Solve for x
    x = 366,189,988,879.36/700,888.40
  6. Step 6: Final answer
    x = 522,465.47

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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.