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Finding the Fourth Proportional to 714,888.33, 986,299.23 and 456,916.26

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Solution

The fourth proportional to 714,888.33, 986,299.23 and 456,916.26 is: 630,386.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,888.33 : 986,299.23 = 456,916.26 : x
  2. Step 2: Convert to fraction form
    714,888.33/986,299.23 = 456,916.26/x
  3. Step 3: Cross multiply
    714,888.33x = 986,299.23 × 456,916.26
  4. Step 4: Simplify right side
    714,888.33x = 450,656,155,412.48
  5. Step 5: Solve for x
    x = 450,656,155,412.48/714,888.33
  6. Step 6: Final answer
    x = 630,386.78

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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.