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Finding the Fourth Proportional to 562,037.94, 775,607.40 and 307,390.95

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Solution

The fourth proportional to 562,037.94, 775,607.40 and 307,390.95 is: 424,196.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,037.94 : 775,607.40 = 307,390.95 : x
  2. Step 2: Convert to fraction form
    562,037.94/775,607.40 = 307,390.95/x
  3. Step 3: Cross multiply
    562,037.94x = 775,607.40 × 307,390.95
  4. Step 4: Simplify right side
    562,037.94x = 238,414,695,513.03
  5. Step 5: Solve for x
    x = 238,414,695,513.03/562,037.94
  6. Step 6: Final answer
    x = 424,196.80

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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.