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Finding the Fourth Proportional to 837,007.40, 1,255,511.10 and 837,007.40

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Solution

The fourth proportional to 837,007.40, 1,255,511.10 and 837,007.40 is: 1,255,511.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,007.40 : 1,255,511.10 = 837,007.40 : x
  2. Step 2: Convert to fraction form
    837,007.40/1,255,511.10 = 837,007.40/x
  3. Step 3: Cross multiply
    837,007.40x = 1,255,511.10 × 837,007.40
  4. Step 4: Simplify right side
    837,007.40x = 1,050,872,081,482.14
  5. Step 5: Solve for x
    x = 1,050,872,081,482.14/837,007.40
  6. Step 6: Final answer
    x = 1,255,511.10

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Double scale
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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.