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Finding the Fourth Proportional to 533,895.06, 736,661.08 and 316,172.16

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Solution

The fourth proportional to 533,895.06, 736,661.08 and 316,172.16 is: 436,250.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,895.06 : 736,661.08 = 316,172.16 : x
  2. Step 2: Convert to fraction form
    533,895.06/736,661.08 = 316,172.16/x
  3. Step 3: Cross multiply
    533,895.06x = 736,661.08 × 316,172.16
  4. Step 4: Simplify right side
    533,895.06x = 232,911,725,246.75
  5. Step 5: Solve for x
    x = 232,911,725,246.75/533,895.06
  6. Step 6: Final answer
    x = 436,250.01

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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.