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Finding the Fourth Proportional to 611,735.60, 917,603.40 and 564,496.40

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Solution

The fourth proportional to 611,735.60, 917,603.40 and 564,496.40 is: 846,744.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,735.60 : 917,603.40 = 564,496.40 : x
  2. Step 2: Convert to fraction form
    611,735.60/917,603.40 = 564,496.40/x
  3. Step 3: Cross multiply
    611,735.60x = 917,603.40 × 564,496.40
  4. Step 4: Simplify right side
    611,735.60x = 517,983,815,927.76
  5. Step 5: Solve for x
    x = 517,983,815,927.76/611,735.60
  6. Step 6: Final answer
    x = 846,744.60

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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.