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Finding the Fourth Proportional to 607,630.99, 910,854.09 and 242,783.86

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Solution

The fourth proportional to 607,630.99, 910,854.09 and 242,783.86 is: 363,939.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,630.99 : 910,854.09 = 242,783.86 : x
  2. Step 2: Convert to fraction form
    607,630.99/910,854.09 = 242,783.86/x
  3. Step 3: Cross multiply
    607,630.99x = 910,854.09 × 242,783.86
  4. Step 4: Simplify right side
    607,630.99x = 221,140,671,866.99
  5. Step 5: Solve for x
    x = 221,140,671,866.99/607,630.99
  6. Step 6: Final answer
    x = 363,939.09

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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.