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Finding the Fourth Proportional to 404,885.80, 607,328.70 and 155,573.80

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Solution

The fourth proportional to 404,885.80, 607,328.70 and 155,573.80 is: 233,360.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,885.80 : 607,328.70 = 155,573.80 : x
  2. Step 2: Convert to fraction form
    404,885.80/607,328.70 = 155,573.80/x
  3. Step 3: Cross multiply
    404,885.80x = 607,328.70 × 155,573.80
  4. Step 4: Simplify right side
    404,885.80x = 94,484,433,708.06
  5. Step 5: Solve for x
    x = 94,484,433,708.06/404,885.80
  6. Step 6: Final answer
    x = 233,360.70

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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.