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Finding the Fourth Proportional to 556,196.05, 767,552.25 and 301,547.44

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Solution

The fourth proportional to 556,196.05, 767,552.25 and 301,547.44 is: 416,136.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,196.05 : 767,552.25 = 301,547.44 : x
  2. Step 2: Convert to fraction form
    556,196.05/767,552.25 = 301,547.44/x
  3. Step 3: Cross multiply
    556,196.05x = 767,552.25 × 301,547.44
  4. Step 4: Simplify right side
    556,196.05x = 231,453,416,053.74
  5. Step 5: Solve for x
    x = 231,453,416,053.74/556,196.05
  6. Step 6: Final answer
    x = 416,136.39

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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.