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Finding the Fourth Proportional to 714,879.14, 986,286.53 and 456,907.10

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Solution

The fourth proportional to 714,879.14, 986,286.53 and 456,907.10 is: 630,374.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,879.14 : 986,286.53 = 456,907.10 : x
  2. Step 2: Convert to fraction form
    714,879.14/986,286.53 = 456,907.10/x
  3. Step 3: Cross multiply
    714,879.14x = 986,286.53 × 456,907.10
  4. Step 4: Simplify right side
    714,879.14x = 450,641,314,402.20
  5. Step 5: Solve for x
    x = 450,641,314,402.20/714,879.14
  6. Step 6: Final answer
    x = 630,374.13

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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.