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Finding the Fourth Proportional to 654,547.51, 903,269.91 and 368,061.49

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Solution

The fourth proportional to 654,547.51, 903,269.91 and 368,061.49 is: 507,921.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,547.51 : 903,269.91 = 368,061.49 : x
  2. Step 2: Convert to fraction form
    654,547.51/903,269.91 = 368,061.49/x
  3. Step 3: Cross multiply
    654,547.51x = 903,269.91 × 368,061.49
  4. Step 4: Simplify right side
    654,547.51x = 332,458,868,946.77
  5. Step 5: Solve for x
    x = 332,458,868,946.77/654,547.51
  6. Step 6: Final answer
    x = 507,921.68

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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.