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Finding the Fourth Proportional to 692,994.51, 956,322.27 and 387,075.32

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Solution

The fourth proportional to 692,994.51, 956,322.27 and 387,075.32 is: 534,158.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,994.51 : 956,322.27 = 387,075.32 : x
  2. Step 2: Convert to fraction form
    692,994.51/956,322.27 = 387,075.32/x
  3. Step 3: Cross multiply
    692,994.51x = 956,322.27 × 387,075.32
  4. Step 4: Simplify right side
    692,994.51x = 370,168,745,886.97
  5. Step 5: Solve for x
    x = 370,168,745,886.97/692,994.51
  6. Step 6: Final answer
    x = 534,158.26

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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.