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Finding the Fourth Proportional to 922,345.70, 1,272,353.01 and 750,455.87

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Solution

The fourth proportional to 922,345.70, 1,272,353.01 and 750,455.87 is: 1,035,235.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,345.70 : 1,272,353.01 = 750,455.87 : x
  2. Step 2: Convert to fraction form
    922,345.70/1,272,353.01 = 750,455.87/x
  3. Step 3: Cross multiply
    922,345.70x = 1,272,353.01 × 750,455.87
  4. Step 4: Simplify right side
    922,345.70x = 954,844,785,066.67
  5. Step 5: Solve for x
    x = 954,844,785,066.67/922,345.70
  6. Step 6: Final answer
    x = 1,035,235.25

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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.