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Finding the Fourth Proportional to 607,505.04, 910,916.28 and 252,280.08

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Solution

The fourth proportional to 607,505.04, 910,916.28 and 252,280.08 is: 378,278.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,505.04 : 910,916.28 = 252,280.08 : x
  2. Step 2: Convert to fraction form
    607,505.04/910,916.28 = 252,280.08/x
  3. Step 3: Cross multiply
    607,505.04x = 910,916.28 × 252,280.08
  4. Step 4: Simplify right side
    607,505.04x = 229,806,031,991.70
  5. Step 5: Solve for x
    x = 229,806,031,991.70/607,505.04
  6. Step 6: Final answer
    x = 378,278.40

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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.