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Finding the Fourth Proportional to 964,907.13, 1,330,700.07 and 602,364.49

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Solution

The fourth proportional to 964,907.13, 1,330,700.07 and 602,364.49 is: 830,718.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,907.13 : 1,330,700.07 = 602,364.49 : x
  2. Step 2: Convert to fraction form
    964,907.13/1,330,700.07 = 602,364.49/x
  3. Step 3: Cross multiply
    964,907.13x = 1,330,700.07 × 602,364.49
  4. Step 4: Simplify right side
    964,907.13x = 801,566,469,008.51
  5. Step 5: Solve for x
    x = 801,566,469,008.51/964,907.13
  6. Step 6: Final answer
    x = 830,718.77

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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.