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Finding the Fourth Proportional to 607,543.26, 910,316.39 and 207,966.06

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Solution

The fourth proportional to 607,543.26, 910,316.39 and 207,966.06 is: 311,607.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,543.26 : 910,316.39 = 207,966.06 : x
  2. Step 2: Convert to fraction form
    607,543.26/910,316.39 = 207,966.06/x
  3. Step 3: Cross multiply
    607,543.26x = 910,316.39 × 207,966.06
  4. Step 4: Simplify right side
    607,543.26x = 189,314,911,941.89
  5. Step 5: Solve for x
    x = 189,314,911,941.89/607,543.26
  6. Step 6: Final answer
    x = 311,607.30

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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.