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Finding the Fourth Proportional to 607,076.10, 910,312.77 and 207,603.54

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Solution

The fourth proportional to 607,076.10, 910,312.77 and 207,603.54 is: 311,302.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,076.10 : 910,312.77 = 207,603.54 : x
  2. Step 2: Convert to fraction form
    607,076.10/910,312.77 = 207,603.54/x
  3. Step 3: Cross multiply
    607,076.10x = 910,312.77 × 207,603.54
  4. Step 4: Simplify right side
    607,076.10x = 188,984,153,559.21
  5. Step 5: Solve for x
    x = 188,984,153,559.21/607,076.10
  6. Step 6: Final answer
    x = 311,302.25

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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.