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Finding the Fourth Proportional to 970,570.80, 1,455,856.20 and 893,807.10

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Solution

The fourth proportional to 970,570.80, 1,455,856.20 and 893,807.10 is: 1,340,710.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,570.80 : 1,455,856.20 = 893,807.10 : x
  2. Step 2: Convert to fraction form
    970,570.80/1,455,856.20 = 893,807.10/x
  3. Step 3: Cross multiply
    970,570.80x = 1,455,856.20 × 893,807.10
  4. Step 4: Simplify right side
    970,570.80x = 1,301,254,608,139.02
  5. Step 5: Solve for x
    x = 1,301,254,608,139.02/970,570.80
  6. Step 6: Final answer
    x = 1,340,710.65

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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.