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Finding the Fourth Proportional to 556,004.16, 767,277.40 and 314,278.26

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Solution

The fourth proportional to 556,004.16, 767,277.40 and 314,278.26 is: 433,699.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,004.16 : 767,277.40 = 314,278.26 : x
  2. Step 2: Convert to fraction form
    556,004.16/767,277.40 = 314,278.26/x
  3. Step 3: Cross multiply
    556,004.16x = 767,277.40 × 314,278.26
  4. Step 4: Simplify right side
    556,004.16x = 241,138,606,209.32
  5. Step 5: Solve for x
    x = 241,138,606,209.32/556,004.16
  6. Step 6: Final answer
    x = 433,699.28

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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.