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Finding the Fourth Proportional to 615,851.04, 923,776.16 and 448,436.36

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Solution

The fourth proportional to 615,851.04, 923,776.16 and 448,436.36 is: 672,654.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,851.04 : 923,776.16 = 448,436.36 : x
  2. Step 2: Convert to fraction form
    615,851.04/923,776.16 = 448,436.36/x
  3. Step 3: Cross multiply
    615,851.04x = 923,776.16 × 448,436.36
  4. Step 4: Simplify right side
    615,851.04x = 414,254,818,645.18
  5. Step 5: Solve for x
    x = 414,254,818,645.18/615,851.04
  6. Step 6: Final answer
    x = 672,654.25

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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.