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Finding the Fourth Proportional to 440,595.70, 608,019.94 and 249,608.64

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Solution

The fourth proportional to 440,595.70, 608,019.94 and 249,608.64 is: 344,458.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,595.70 : 608,019.94 = 249,608.64 : x
  2. Step 2: Convert to fraction form
    440,595.70/608,019.94 = 249,608.64/x
  3. Step 3: Cross multiply
    440,595.70x = 608,019.94 × 249,608.64
  4. Step 4: Simplify right side
    440,595.70x = 151,767,030,316.28
  5. Step 5: Solve for x
    x = 151,767,030,316.28/440,595.70
  6. Step 6: Final answer
    x = 344,458.72

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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.