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Finding the Fourth Proportional to 2,415,423.40, 3,386,569.40 and 2,415,423.40

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Solution

The fourth proportional to 2,415,423.40, 3,386,569.40 and 2,415,423.40 is: 3,386,569.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,415,423.40 : 3,386,569.40 = 2,415,423.40 : x
  2. Step 2: Convert to fraction form
    2,415,423.40/3,386,569.40 = 2,415,423.40/x
  3. Step 3: Cross multiply
    2,415,423.40x = 3,386,569.40 × 2,415,423.40
  4. Step 4: Simplify right side
    2,415,423.40x = 8,179,998,974,483.96
  5. Step 5: Solve for x
    x = 8,179,998,974,483.96/2,415,423.40
  6. Step 6: Final answer
    x = 3,386,569.40

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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.