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Finding the Fourth Proportional to 607,130.90, 910,740.55 and 233,153.90

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Solution

The fourth proportional to 607,130.90, 910,740.55 and 233,153.90 is: 349,747.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,130.90 : 910,740.55 = 233,153.90 : x
  2. Step 2: Convert to fraction form
    607,130.90/910,740.55 = 233,153.90/x
  3. Step 3: Cross multiply
    607,130.90x = 910,740.55 × 233,153.90
  4. Step 4: Simplify right side
    607,130.90x = 212,342,711,120.65
  5. Step 5: Solve for x
    x = 212,342,711,120.65/607,130.90
  6. Step 6: Final answer
    x = 349,747.82

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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.