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Finding the Fourth Proportional to 606,260.40, 907,835.40 and 578,266.80

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Solution

The fourth proportional to 606,260.40, 907,835.40 and 578,266.80 is: 865,916.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,260.40 : 907,835.40 = 578,266.80 : x
  2. Step 2: Convert to fraction form
    606,260.40/907,835.40 = 578,266.80/x
  3. Step 3: Cross multiply
    606,260.40x = 907,835.40 × 578,266.80
  4. Step 4: Simplify right side
    606,260.40x = 524,971,071,684.72
  5. Step 5: Solve for x
    x = 524,971,071,684.72/606,260.40
  6. Step 6: Final answer
    x = 865,916.81

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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.