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Finding the Fourth Proportional to 849,564, 1,171,557.92 and 775,828.08

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Solution

The fourth proportional to 849,564, 1,171,557.92 and 775,828.08 is: 1,069,875.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,564 : 1,171,557.92 = 775,828.08 : x
  2. Step 2: Convert to fraction form
    849,564/1,171,557.92 = 775,828.08/x
  3. Step 3: Cross multiply
    849,564x = 1,171,557.92 × 775,828.08
  4. Step 4: Simplify right side
    849,564x = 908,927,531,682.39
  5. Step 5: Solve for x
    x = 908,927,531,682.39/849,564
  6. Step 6: Final answer
    x = 1,069,875.29

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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.