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Finding the Fourth Proportional to 648,823.94, 895,378.95 and 362,354.88

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Solution

The fourth proportional to 648,823.94, 895,378.95 and 362,354.88 is: 500,050.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,823.94 : 895,378.95 = 362,354.88 : x
  2. Step 2: Convert to fraction form
    648,823.94/895,378.95 = 362,354.88/x
  3. Step 3: Cross multiply
    648,823.94x = 895,378.95 × 362,354.88
  4. Step 4: Simplify right side
    648,823.94x = 324,444,931,981.78
  5. Step 5: Solve for x
    x = 324,444,931,981.78/648,823.94
  6. Step 6: Final answer
    x = 500,050.81

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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.