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Finding the Fourth Proportional to 977,355.48, 1,348,751.03 and 595,382.30

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Solution

The fourth proportional to 977,355.48, 1,348,751.03 and 595,382.30 is: 821,627.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,355.48 : 1,348,751.03 = 595,382.30 : x
  2. Step 2: Convert to fraction form
    977,355.48/1,348,751.03 = 595,382.30/x
  3. Step 3: Cross multiply
    977,355.48x = 1,348,751.03 × 595,382.30
  4. Step 4: Simplify right side
    977,355.48x = 803,022,480,648.10
  5. Step 5: Solve for x
    x = 803,022,480,648.10/977,355.48
  6. Step 6: Final answer
    x = 821,627.85

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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.