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Finding the Fourth Proportional to 707,036.54, 975,730.95 and 384,767.42

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Solution

The fourth proportional to 707,036.54, 975,730.95 and 384,767.42 is: 530,990.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,036.54 : 975,730.95 = 384,767.42 : x
  2. Step 2: Convert to fraction form
    707,036.54/975,730.95 = 384,767.42/x
  3. Step 3: Cross multiply
    707,036.54x = 975,730.95 × 384,767.42
  4. Step 4: Simplify right side
    707,036.54x = 375,429,475,366.99
  5. Step 5: Solve for x
    x = 375,429,475,366.99/707,036.54
  6. Step 6: Final answer
    x = 530,990.21

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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.