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Finding the Fourth Proportional to 877,590.40, 1,232,169.50 and 877,590.40

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Solution

The fourth proportional to 877,590.40, 1,232,169.50 and 877,590.40 is: 1,232,169.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,590.40 : 1,232,169.50 = 877,590.40 : x
  2. Step 2: Convert to fraction form
    877,590.40/1,232,169.50 = 877,590.40/x
  3. Step 3: Cross multiply
    877,590.40x = 1,232,169.50 × 877,590.40
  4. Step 4: Simplify right side
    877,590.40x = 1,081,340,124,372.80
  5. Step 5: Solve for x
    x = 1,081,340,124,372.80/877,590.40
  6. Step 6: Final answer
    x = 1,232,169.50

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Double scale
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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.