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Finding the Fourth Proportional to 616,007.80, 923,612.10 and 260,925.40

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Solution

The fourth proportional to 616,007.80, 923,612.10 and 260,925.40 is: 391,218.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,007.80 : 923,612.10 = 260,925.40 : x
  2. Step 2: Convert to fraction form
    616,007.80/923,612.10 = 260,925.40/x
  3. Step 3: Cross multiply
    616,007.80x = 923,612.10 × 260,925.40
  4. Step 4: Simplify right side
    616,007.80x = 240,993,856,637.34
  5. Step 5: Solve for x
    x = 240,993,856,637.34/616,007.80
  6. Step 6: Final answer
    x = 391,218.84

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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.