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Finding the Fourth Proportional to 963,429.32, 1,328,784 and 657,752.06

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Solution

The fourth proportional to 963,429.32, 1,328,784 and 657,752.06 is: 907,186.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,429.32 : 1,328,784 = 657,752.06 : x
  2. Step 2: Convert to fraction form
    963,429.32/1,328,784 = 657,752.06/x
  3. Step 3: Cross multiply
    963,429.32x = 1,328,784 × 657,752.06
  4. Step 4: Simplify right side
    963,429.32x = 874,010,413,295.04
  5. Step 5: Solve for x
    x = 874,010,413,295.04/963,429.32
  6. Step 6: Final answer
    x = 907,186.85

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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.