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Finding the Fourth Proportional to 750,866.90, 1,036,209.57 and 411,313.10

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Solution

The fourth proportional to 750,866.90, 1,036,209.57 and 411,313.10 is: 567,619.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,866.90 : 1,036,209.57 = 411,313.10 : x
  2. Step 2: Convert to fraction form
    750,866.90/1,036,209.57 = 411,313.10/x
  3. Step 3: Cross multiply
    750,866.90x = 1,036,209.57 × 411,313.10
  4. Step 4: Simplify right side
    750,866.90x = 426,206,570,486.37
  5. Step 5: Solve for x
    x = 426,206,570,486.37/750,866.90
  6. Step 6: Final answer
    x = 567,619.34

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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.