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Finding the Fourth Proportional to 255,547.95, 352,656.68 and 153,574.98

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Solution

The fourth proportional to 255,547.95, 352,656.68 and 153,574.98 is: 211,933.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,547.95 : 352,656.68 = 153,574.98 : x
  2. Step 2: Convert to fraction form
    255,547.95/352,656.68 = 153,574.98/x
  3. Step 3: Cross multiply
    255,547.95x = 352,656.68 × 153,574.98
  4. Step 4: Simplify right side
    255,547.95x = 54,159,242,577.87
  5. Step 5: Solve for x
    x = 54,159,242,577.87/255,547.95
  6. Step 6: Final answer
    x = 211,933.78

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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.