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Finding the Fourth Proportional to 606,246.40, 907,814.40 and 578,252.80

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Solution

The fourth proportional to 606,246.40, 907,814.40 and 578,252.80 is: 865,895.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,246.40 : 907,814.40 = 578,252.80 : x
  2. Step 2: Convert to fraction form
    606,246.40/907,814.40 = 578,252.80/x
  3. Step 3: Cross multiply
    606,246.40x = 907,814.40 × 578,252.80
  4. Step 4: Simplify right side
    606,246.40x = 524,946,218,680.32
  5. Step 5: Solve for x
    x = 524,946,218,680.32/606,246.40
  6. Step 6: Final answer
    x = 865,895.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.