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Finding the Fourth Proportional to 554,448.80, 831,547.68 and 254,641.16

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Solution

The fourth proportional to 554,448.80, 831,547.68 and 254,641.16 is: 381,904.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,448.80 : 831,547.68 = 254,641.16 : x
  2. Step 2: Convert to fraction form
    554,448.80/831,547.68 = 254,641.16/x
  3. Step 3: Cross multiply
    554,448.80x = 831,547.68 × 254,641.16
  4. Step 4: Simplify right side
    554,448.80x = 211,746,265,830.51
  5. Step 5: Solve for x
    x = 211,746,265,830.51/554,448.80
  6. Step 6: Final answer
    x = 381,904.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.