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Finding the Fourth Proportional to 700,417.41, 966,720.51 and 455,707.95

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Solution

The fourth proportional to 700,417.41, 966,720.51 and 455,707.95 is: 628,970.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,417.41 : 966,720.51 = 455,707.95 : x
  2. Step 2: Convert to fraction form
    700,417.41/966,720.51 = 455,707.95/x
  3. Step 3: Cross multiply
    700,417.41x = 966,720.51 × 455,707.95
  4. Step 4: Simplify right side
    700,417.41x = 440,542,221,835.06
  5. Step 5: Solve for x
    x = 440,542,221,835.06/700,417.41
  6. Step 6: Final answer
    x = 628,970.98

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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.