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Finding the Fourth Proportional to 893,901.80, 1,340,852.70 and 610,466.60

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Solution

The fourth proportional to 893,901.80, 1,340,852.70 and 610,466.60 is: 915,699.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,901.80 : 1,340,852.70 = 610,466.60 : x
  2. Step 2: Convert to fraction form
    893,901.80/1,340,852.70 = 610,466.60/x
  3. Step 3: Cross multiply
    893,901.80x = 1,340,852.70 × 610,466.60
  4. Step 4: Simplify right side
    893,901.80x = 818,545,788,869.82
  5. Step 5: Solve for x
    x = 818,545,788,869.82/893,901.80
  6. Step 6: Final answer
    x = 915,699.90

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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.