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Finding the Fourth Proportional to 607,995.48, 838,948.04 and 346,357.67

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Solution

The fourth proportional to 607,995.48, 838,948.04 and 346,357.67 is: 477,924.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,995.48 : 838,948.04 = 346,357.67 : x
  2. Step 2: Convert to fraction form
    607,995.48/838,948.04 = 346,357.67/x
  3. Step 3: Cross multiply
    607,995.48x = 838,948.04 × 346,357.67
  4. Step 4: Simplify right side
    607,995.48x = 290,576,085,056.62
  5. Step 5: Solve for x
    x = 290,576,085,056.62/607,995.48
  6. Step 6: Final answer
    x = 477,924.75

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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.