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Finding the Fourth Proportional to 707,252.62, 976,030.50 and 384,984.40

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Solution

The fourth proportional to 707,252.62, 976,030.50 and 384,984.40 is: 531,290.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,252.62 : 976,030.50 = 384,984.40 : x
  2. Step 2: Convert to fraction form
    707,252.62/976,030.50 = 384,984.40/x
  3. Step 3: Cross multiply
    707,252.62x = 976,030.50 × 384,984.40
  4. Step 4: Simplify right side
    707,252.62x = 375,756,516,424.20
  5. Step 5: Solve for x
    x = 375,756,516,424.20/707,252.62
  6. Step 6: Final answer
    x = 531,290.38

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Double scale
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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.