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Finding the Fourth Proportional to 696,585.96, 961,393.70 and 424,811.51

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Solution

The fourth proportional to 696,585.96, 961,393.70 and 424,811.51 is: 586,303.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,585.96 : 961,393.70 = 424,811.51 : x
  2. Step 2: Convert to fraction form
    696,585.96/961,393.70 = 424,811.51/x
  3. Step 3: Cross multiply
    696,585.96x = 961,393.70 × 424,811.51
  4. Step 4: Simplify right side
    696,585.96x = 408,411,102,470.46
  5. Step 5: Solve for x
    x = 408,411,102,470.46/696,585.96
  6. Step 6: Final answer
    x = 586,303.95

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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.