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Finding the Fourth Proportional to 532,153.51, 797,806.42 and 307,258.84

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Solution

The fourth proportional to 532,153.51, 797,806.42 and 307,258.84 is: 460,643.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,153.51 : 797,806.42 = 307,258.84 : x
  2. Step 2: Convert to fraction form
    532,153.51/797,806.42 = 307,258.84/x
  3. Step 3: Cross multiply
    532,153.51x = 797,806.42 × 307,258.84
  4. Step 4: Simplify right side
    532,153.51x = 245,133,075,153.75
  5. Step 5: Solve for x
    x = 245,133,075,153.75/532,153.51
  6. Step 6: Final answer
    x = 460,643.54

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Double scale
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Similar ratio
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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.