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Finding the Fourth Proportional to 403,101.93, 556,263.86 and 219,341.22

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Solution

The fourth proportional to 403,101.93, 556,263.86 and 219,341.22 is: 302,681.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,101.93 : 556,263.86 = 219,341.22 : x
  2. Step 2: Convert to fraction form
    403,101.93/556,263.86 = 219,341.22/x
  3. Step 3: Cross multiply
    403,101.93x = 556,263.86 × 219,341.22
  4. Step 4: Simplify right side
    403,101.93x = 122,011,592,597.60
  5. Step 5: Solve for x
    x = 122,011,592,597.60/403,101.93
  6. Step 6: Final answer
    x = 302,681.74

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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.