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Finding the Fourth Proportional to 249,138.30, 348,006.30 and 249,138.30

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Solution

The fourth proportional to 249,138.30, 348,006.30 and 249,138.30 is: 348,006.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,138.30 : 348,006.30 = 249,138.30 : x
  2. Step 2: Convert to fraction form
    249,138.30/348,006.30 = 249,138.30/x
  3. Step 3: Cross multiply
    249,138.30x = 348,006.30 × 249,138.30
  4. Step 4: Simplify right side
    249,138.30x = 86,701,697,971.29
  5. Step 5: Solve for x
    x = 86,701,697,971.29/249,138.30
  6. Step 6: Final answer
    x = 348,006.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.